Comment 14 for bug 1915829

$ sudo ovs-vsctl remove open-vswitch . external-ids hostname

$ sudo ovs-vsctl remove open-vswitch . external-ids hostname

$ sudo ovs-vsctl list open-vswitch
_uuid : c81d24ea-3ca1-4064-8e67-b91ac6ca801b
bridges : [1c3c998d-7158-46b0-bea3-04f94d474ed0, 6d4fa31d-07a6-4ca7-b9b9-7ca0adefd8d3]
cur_cfg : 21
datapath_types : [netdev, system]
datapaths : {}
db_version : "8.2.0"
dpdk_initialized : false
dpdk_version : none
external_ids : {hostname=juju-9060b4-zaza-f9005861d6e6-23.project.serverstack, ovn-bridge-mappings="physnet1:br-ex", ovn-cms-options=enable-chassis-as-gw, ovn-encap-ip="10.5.0.32", ovn-encap-type=geneve, ovn-remote="ssl:10.5.0.35:6642,ssl:10.5.0.38:6642,ssl:10.5.0.9:6642", rundir="/var/run/openvswitch", system-id=juju-9060b4-zaza-f9005861d6e6-23.project.serverstack}
iface_types : [erspan, geneve, gre, internal, ip6erspan, ip6gre, lisp, patch, stt, system, tap, vxlan]
manager_options : [a1ec106e-50fb-4238-bc74-880353c222ff]
next_cfg : 21
other_config : {}
ovs_version : "2.13.3"
ssl : 7126380d-a763-4a03-81df-d16dfc35f513
statistics : {}
system_type : ubuntu
system_version : "20.10"

$ apt-cache policy openvswitch-switch
openvswitch-switch:
  Installed: 2.13.3-0ubuntu0.20.10.1
  Candidate: 2.13.3-0ubuntu0.20.10.1
  Version table:
 *** 2.13.3-0ubuntu0.20.10.1 500
        500 http://archive.ubuntu.com/ubuntu groovy-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     2.13.1-0ubuntu1.3 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu groovy-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu groovy-security/main amd64 Packages
     2.13.1-0ubuntu1 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu groovy/main amd64 Packages