++ 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=f501819b-51e2-4aee-be90-6dc09067e2a0 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:45:31:31 + echo f501819b-51e2-4aee-be90-6dc09067e2a0 + echo fa:16:3e:45:31:31