++ 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=aea96745-8b45-44fc-9c40-24db4961990f ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:68:16:2f + echo aea96745-8b45-44fc-9c40-24db4961990f + echo fa:16:3e:68:16:2f