++ 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=b5a3aac5-a9fc-4b38-b7ab-9966208b1855 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:7e:ca:18 + echo b5a3aac5-a9fc-4b38-b7ab-9966208b1855 + echo fa:16:3e:7e:ca:18