++ 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=a924b52d-5f37-43f8-8632-688ccd8b0518 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cd:f4:8e + echo a924b52d-5f37-43f8-8632-688ccd8b0518 + echo fa:16:3e:cd:f4:8e