++ 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=a7d1e490-9762-4334-9853-cabd152c5ac0 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:b6:d4:46 + echo a7d1e490-9762-4334-9853-cabd152c5ac0 + echo fa:16:3e:b6:d4:46