++ 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=77f3bf2d-9d52-41be-8da0-4b73ea703865 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:b6:33:1e + echo 77f3bf2d-9d52-41be-8da0-4b73ea703865 + echo fa:16:3e:b6:33:1e