Merge ~alfonsosanchezbeato/snappy-hwe-snaps/+git/network-manager:robust-config-hook into ~snappy-hwe-team/snappy-hwe-snaps/+git/network-manager:master

[Alfonso Sanchez-Beato]

Robustify service start:

* Do not fail on error when calling snapctl
* Do not exit on bad configuration

Robustify service start:

* Do not fail on error when calling snapctl
* Do not exit on bad configuration

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1135/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/302/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/343/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/343
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/343
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/343
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1135
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/878
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/915/console

Click here to trigger a rebuild:
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/302/rebuild

review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1136/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/303/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/344/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/344
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/344
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/344
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1136
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/879
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/916/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1137/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/304/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/345/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/345
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/345
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/345
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1137
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/880
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/917/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1138/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/305/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/346/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/346
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/346
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/346
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1138
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/881
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/918/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[Konrad Zapałowicz (kzapalowicz)]

review: Approve (code)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1140/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/307/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/348/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/348
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/348
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/348
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1140
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/883
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/920/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1141/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/308/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/349/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/349
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/349
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/349
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1141
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/884
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/921/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1142/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:a9d3cd60a9dbc49e7b1caae0d7bfbc71ea071e43
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/309/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/350/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/350
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/350
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/350
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1142
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/885
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/922/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: cdd805f4b163af82e43c153fc444e0a593875aec

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1143/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:cdd805f4b163af82e43c153fc444e0a593875aec
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/310/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/351/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/351
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/351
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/351
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1143
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/886
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/923/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: aad54e1353b267a973ae238294c07bf184b16702

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1144/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:aad54e1353b267a973ae238294c07bf184b16702
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/311/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/352/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/352
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/352
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/352
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1144
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/887
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/924/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: aad54e1353b267a973ae238294c07bf184b16702

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1145/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:aad54e1353b267a973ae238294c07bf184b16702
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/312/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/353/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/353
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/353
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/353
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1145
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/888
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/925/console

Click here to trigger a rebuild:
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/312/rebuild

review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: 9d0a7593e244694f977f06ca2ae34bc0db8e07d9

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1146/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:9d0a7593e244694f977f06ca2ae34bc0db8e07d9
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/313/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/354/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/354
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/354
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/354
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1146
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/889
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/926/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: 9d0a7593e244694f977f06ca2ae34bc0db8e07d9

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1147/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:9d0a7593e244694f977f06ca2ae34bc0db8e07d9
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/314/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/355/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/355
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/355
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/355
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1147
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/890
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/927/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: 66738e155e384c91ec6e2ca6fbb12037332fc0e6

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1148/

[System Enablement Bot (system-enablement-ci-bot)]

FAILED: Continuous integration, rev:66738e155e384c91ec6e2ca6fbb12037332fc0e6
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/315/
Executed test runs:
    FAILURE: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/356/console
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/356
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/356
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/356
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1148
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/891
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/928/console

Click here to trigger a rebuild:
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review: Needs Fixing (continuous-integration)

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Successfully build documentation, rev: 7069b5f87bcc81e5d257848190425d2a378a3f2a

Generated documentation is available at https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1149/

[System Enablement Bot (system-enablement-ci-bot)]

PASSED: Continuous integration, rev:7069b5f87bcc81e5d257848190425d2a378a3f2a
https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build-prepare/316/
Executed test runs:
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=amd64/357
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=arm64/357
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=armhf/357
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-build/ARCHITECTURE=i386/357
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-docs/1149
    SUCCESS: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-cleanup/892
    None: https://jenkins.canonical.com/system-enablement/job/snappy-hwe-snaps-snap-update-mp/929/console

Click here to trigger a rebuild:
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review: Approve (continuous-integration)

diff --git a/snap-common/bin/snap-config.sh b/snap-common/bin/snap-config.sh
index 3d0b3b9..da60892 100644
--- a/snap-common/bin/snap-config.sh
+++ b/snap-common/bin/snap-config.sh
@@ -22,7 +22,7 @@
 _replace_file_if_diff() {
     old_content=
     if [ -e "$1" ]; then
-        old_content=$(cat "$1")
+        old_content=$(cat "$1") || true
     fi
     if [ "$2" != "$old_content" ]; then
         echo "Replacing $1"
@@ -45,7 +45,7 @@ _switch_wifi_powersave() {
             ;;
         *)
             echo "WARNING: invalid value '$1' supplied for wifi.powersave configuration option"
-            exit 1
+            return
             ;;
     esac
     _replace_file_if_diff "$path" "$content"
@@ -90,8 +90,8 @@ _switch_wifi_wake_on_wlan() {
             value=256
             ;;
         *)
-            echo "ERROR: Invalid value provided for wifi.wake-on-wlan"
-            exit 1
+            echo "WARNING: Invalid value provided for wifi.wake-on-wlan"
+            return
             ;;
     esac
     password=$2
@@ -124,8 +124,8 @@ _switch_ethernet() {
             rm -f "$path"
             ;;
         *)
-            echo "ERROR: Invalid value provided for ethernet"
-            exit 1
+            echo "WARNING: Invalid value provided for ethernet"
+            return
     esac
 }
 
diff --git a/snap-common/bin/snap-prop.sh b/snap-common/bin/snap-prop.sh
index 8ac560a..3615660 100644
--- a/snap-common/bin/snap-prop.sh
+++ b/snap-common/bin/snap-prop.sh
@@ -17,7 +17,7 @@
 # Getters for snap properties. They write the current value to stdout.
 
 get_wifi_powersave() {
-    value=$(snapctl get wifi.powersave)
+    value=$(snapctl get wifi.powersave) || true
     if [ -z "$value" ]; then
         value=disabled
     fi
@@ -25,7 +25,7 @@ get_wifi_powersave() {
 }
 
 get_wifi_wake_on_wlan() {
-    value=$(snapctl get wifi.wake-on-wlan)
+    value=$(snapctl get wifi.wake-on-wlan) || true
     if [ -z "$value" ]; then
         value=disabled
     fi
@@ -33,11 +33,11 @@ get_wifi_wake_on_wlan() {
 }
 
 get_wifi_wake_on_password() {
-    snapctl get wifi.wake-on-wlan-password
+    snapctl get wifi.wake-on-wlan-password || true
 }
 
 get_ethernet_enable() {
-    value=$(snapctl get ethernet.enable)
+    value=$(snapctl get ethernet.enable) || true
     if [ -z "$value" ]; then
         # If this file was already present, assume NM is wanted to handle
         # ethernet in the device. Ideally this should be handled by setting
@@ -52,7 +52,7 @@ get_ethernet_enable() {
 }
 
 get_debug_enable() {
-    value=$(snapctl get debug.enable)
+    value=$(snapctl get debug.enable) || true
     if [ -z "$value" ]; then
         value=false
     fi
diff --git a/tests/full/no-netplan-default-config/task.yaml b/tests/full/no-netplan-default-config/task.yaml
index a412061..b2d2ded 100644
--- a/tests/full/no-netplan-default-config/task.yaml
+++ b/tests/full/no-netplan-default-config/task.yaml
@@ -24,7 +24,7 @@ execute: |
             # generated from netplan
             wait_for_network_manager
             /snap/bin/network-manager.nmcli d | grep 'eth0.*connected'
-            networkctl status eth0 | grep 'State: routable'
+            networkctl status eth0 | grep unmanaged
             /snap/bin/network-manager.nmcli c show --active | grep eth0 | grep -v netplan
 
             # We should only have a single active configuration
diff --git a/tests/full/system-network-is-active/task.yaml b/tests/full/system-network-is-active/task.yaml
index 58f3fd2..22d7830 100644
--- a/tests/full/system-network-is-active/task.yaml
+++ b/tests/full/system-network-is-active/task.yaml
@@ -6,4 +6,4 @@ execute: |
     test -e /etc/netplan/00-default-nm-renderer.yaml
     wait_for_network_manager
     /snap/bin/network-manager.nmcli d | grep 'eth0.*connected'
-    networkctl status eth0 | grep 'State: routable'
+    networkctl status eth0 | grep unmanaged
diff --git a/tests/main/conf-ethernet-support/task.yaml b/tests/main/conf-ethernet-support/task.yaml
index 51f75ea..2cba903 100644
--- a/tests/main/conf-ethernet-support/task.yaml
+++ b/tests/main/conf-ethernet-support/task.yaml
@@ -29,7 +29,7 @@ execute: |
             /snap/bin/network-manager.nmcli d | grep 'eth0.*connected'
             # ... and we're running with the netplan configuration
             /snap/bin/network-manager.nmcli d | grep 'netplan-eth0'
-            networkctl status eth0 | grep 'State: routable'
+            networkctl status eth0 | grep unmanaged
 
             # Now lets switch back to network by using the configuration
             # item again and doing another reboot.
diff --git a/tests/main/switch-netplan-renderer/task.yaml b/tests/main/switch-netplan-renderer/task.yaml
index 08a73c9..26880bc 100644
--- a/tests/main/switch-netplan-renderer/task.yaml
+++ b/tests/main/switch-netplan-renderer/task.yaml
@@ -22,7 +22,7 @@ execute: |
 
             # NetworkManager now controls eth0 and networkd does not
             /snap/bin/network-manager.nmcli d | grep 'eth0.*connected'
-            networkctl status eth0 | grep 'State: routable'
+            networkctl status eth0 | grep unmanaged
 
             # And switch back to networkd
             switch_netplan_to_networkd