++ 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=3e4a6ba3-9c8e-409a-8d67-97df1834b9b2 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:50:ab:c6 + echo 3e4a6ba3-9c8e-409a-8d67-97df1834b9b2 + echo fa:16:3e:50:ab:c6