++ 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=aa5efa98-b7ec-4997-999d-d326609874ab ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:7a:53:90 + echo aa5efa98-b7ec-4997-999d-d326609874ab + echo fa:16:3e:7a:53:90