Comment 18 for bug 1915829

$ juju run --unit ovn-chassis/0 'ovs-vsctl remove open-vswitch . external-ids hostname'
$ juju run --unit ovn-chassis/0 'sudo shutdown -r now'
$ juju run --unit ovn-chassis/0 'ovs-vsctl remove open-vswitch . external-ids hostname'
$ juju run --unit ovn-chassis/0 'sudo shutdown -r now'
$ juju run --unit ovn-chassis/0 'ovs-vsctl get open-vswitch . external-ids:hostname'
juju-a0db23-0-lxd-0.maas
$ juju run --unit ovn-chassis/0 'apt-cache policy openvswitch-switch'
openvswitch-switch:
  Installed: 2.13.3-0ubuntu0.20.04.1~cloud0
  Candidate: 2.13.3-0ubuntu0.20.04.1~cloud0
  Version table:
 *** 2.13.3-0ubuntu0.20.04.1~cloud0 500
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu bionic-proposed/ussuri/main amd64 Packages
        100 /var/lib/dpkg/status
     2.9.8-0ubuntu0.18.04.2 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
     2.9.0-0ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages