++ 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=6e496edb-9b38-4aec-b346-07a021e1a881 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:34:55:52 + echo 6e496edb-9b38-4aec-b346-07a021e1a881 + echo fa:16:3e:34:55:52