++ 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=28cd4032-716a-4108-81e7-663d5b7c11c0 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cd:74:a6 + echo 28cd4032-716a-4108-81e7-663d5b7c11c0 + echo fa:16:3e:cd:74:a6