++ 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=e030afcb-59ba-4163-8eec-b37db279461b ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e0:9c:15 + echo e030afcb-59ba-4163-8eec-b37db279461b + echo fa:16:3e:e0:9c:15