++ 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=3e9863e4-4f32-425a-b15e-cbd67652e413 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:21:d1:eb + echo 3e9863e4-4f32-425a-b15e-cbd67652e413 + echo fa:16:3e:21:d1:eb