++ 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=fbef55ac-8e13-44bd-a77b-a6c0ba797333 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:28:6b:0d + echo fbef55ac-8e13-44bd-a77b-a6c0ba797333 + echo fa:16:3e:28:6b:0d