++ 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=1fefb02f-bd6a-4d24-9fe5-5fb5f555609d ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:b0:bb:e2 + echo 1fefb02f-bd6a-4d24-9fe5-5fb5f555609d + echo fa:16:3e:b0:bb:e2