++ 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=5baced37-9309-4403-838d-c9bd09931255 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ac:c3:dd + echo 5baced37-9309-4403-838d-c9bd09931255 + echo fa:16:3e:ac:c3:dd