++ 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=572c1ab3-6e50-47dd-ba61-5250b67bcaf5 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:af:0b:93 + echo 572c1ab3-6e50-47dd-ba61-5250b67bcaf5 + echo fa:16:3e:af:0b:93