++ 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=bac22205-ad18-4310-9fdd-955e6927cd2c ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:48:0f:e2 + echo bac22205-ad18-4310-9fdd-955e6927cd2c + echo fa:16:3e:48:0f:e2