++ 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=81e946d4-c6fa-436f-8496-3d639cab5b80 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:dd:5f:9b + echo 81e946d4-c6fa-436f-8496-3d639cab5b80 + echo fa:16:3e:dd:5f:9b