++ 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=6bac04c6-813e-4975-9965-06dd210d83d0 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:c7:67:ad + echo 6bac04c6-813e-4975-9965-06dd210d83d0 + echo fa:16:3e:c7:67:ad