++ 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=4b39ec04-1a28-466f-8697-11309b094d24 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:a0:ee:67 + echo 4b39ec04-1a28-466f-8697-11309b094d24 + echo fa:16:3e:a0:ee:67