++ 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=2f6465c9-b00b-4fe1-91ee-12b2e5d140ce ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:61:fb:86 + echo 2f6465c9-b00b-4fe1-91ee-12b2e5d140ce + echo fa:16:3e:61:fb:86