++ 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=e4b7181c-b498-4e31-b3f4-7d70fc5a35c2 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:c7:00:3b + echo e4b7181c-b498-4e31-b3f4-7d70fc5a35c2 + echo fa:16:3e:c7:00:3b