Comment 42 for bug 1973276

ussuri-proposed verified using [Test Plan] and had the following output:

# ovn-nbctl list Logical_Switch_port| egrep "type|external_ids|^addresses"| grep octavia-lb -C 1|egrep "type|addresses"
addresses : ["fa:16:3e:c5:e6:0e 192.168.21.54"]
type : ""
addresses : ["fa:16:3e:9b:4c:23 192.168.21.175"]
type : virtual
addresses : ["fa:16:3e:7f:f1:36 192.168.21.105"]
type : ""
# ovn-nbctl list Logical_Switch_port| egrep "type|external_ids|^addresses"| grep octavia-lb -C 1|egrep "type|addresses"
addresses : ["fa:16:3e:d0:6c:a6 192.168.21.73"]
type : ""
addresses : ["fa:16:3e:ac:b8:5e 192.168.21.42"]
type : ""
addresses : ["fa:16:3e:9b:4c:23 192.168.21.175"]
type : virtual

# apt-cache policy neutron-common
neutron-common:
  Installed: 2:16.4.2-0ubuntu4~cloud0
  Candidate: 2:16.4.2-0ubuntu4~cloud0
  Version table:
 *** 2:16.4.2-0ubuntu4~cloud0 500
        500 http://ubuntu-cloud.archive.canonical.com/ubuntu bionic-proposed/ussuri/main amd64 Packages
        100 /var/lib/dpkg/status
     2:12.1.1-0ubuntu8 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
     2:12.0.1-0ubuntu1 500
        500 http://nova.clouds.archive.ubuntu.com/ubuntu bionic/main amd64 Packages