++ 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=8c9eb81d-d268-445e-ae0b-a5d3b69d629c ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:16:11:a7 + echo 8c9eb81d-d268-445e-ae0b-a5d3b69d629c + echo fa:16:3e:16:11:a7