++ 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=c50ddf2e-19eb-48a2-ab83-f667b139414f ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:7d:c3:10 + echo c50ddf2e-19eb-48a2-ab83-f667b139414f + echo fa:16:3e:7d:c3:10