++ hostname -s + HOSTNAME=instance + PORTNAME=octavia-health-manager-port-instance ++ openstack port show octavia-health-manager-port-instance -c id -f value + HM_PORT_ID=2f892cb2-4c62-47a6-bc87-ef4d8373f034 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:1b:08:06 + echo 2f892cb2-4c62-47a6-bc87-ef4d8373f034 + echo fa:16:3e:1b:08:06