++ 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=038c1404-bab7-4708-9738-1fc382bc848b ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:30:ac:f4 + echo 038c1404-bab7-4708-9738-1fc382bc848b + echo fa:16:3e:30:ac:f4