++ 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=db920907-544e-4749-aa85-10802e2a4bd7 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:70:ff:ec + echo db920907-544e-4749-aa85-10802e2a4bd7 + echo fa:16:3e:70:ff:ec