Merge ~raharper/cloud-init:net-v2-dont-print-udevadm-commands into cloud-init:master

[Ryan Harper]

netplan: remove debugging prints, use logging instead

Remove debugging print statements. Change a few to use
logging.debug() where useful.

[Server Team CI bot (server-team-bot)]

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diff --git a/cloudinit/net/netplan.py b/cloudinit/net/netplan.py
index cd93b21..7bf1021 100644
--- a/cloudinit/net/netplan.py
+++ b/cloudinit/net/netplan.py
@@ -1,6 +1,7 @@
 # This file is part of cloud-init.  See LICENSE file ...
 
 import copy
+import logging
 import os
 
 from . import renderer
@@ -10,6 +11,7 @@ from cloudinit import util
 from cloudinit.net import SYS_CLASS_NET, get_devicelist
 
 
+LOG = logging.getLogger(__name__)
 NET_CONFIG_TO_V2 = {
     'bond': {'bond-ad-select': 'ad-select',
              'bond-arp-interval': 'arp-interval',
@@ -186,7 +188,7 @@ class Renderer(renderer.Renderer):
 
     def _netplan_generate(self, run=False):
         if not run:
-            print("netplan postcmd disabled")
+            LOG.debug("netplan postcmd disabled")
             return
         util.subp(self.NETPLAN_GENERATE, capture=True)
 
@@ -196,17 +198,15 @@ class Renderer(renderer.Renderer):
            the setup_link udev builtin command
         """
         if not run:
-            print("netsetup postcmd disabled")
+            LOG.debug("netsetup postcmd disabled")
             return
         setup_lnk = ['udevadm', 'test-builtin', 'net_setup_link']
         for cmd in [setup_lnk + [SYS_CLASS_NET + iface]
                     for iface in get_devicelist() if
                     os.path.islink(SYS_CLASS_NET + iface)]:
-            print(cmd)
             util.subp(cmd, capture=True)
 
     def _render_content(self, network_state):
-        print('rendering v2 for victory!')
         ethernets = {}
         wifis = {}
         bridges = {}