++ 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=cbd9d6f7-1e14-413d-80a8-b0575c478ca3
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:26:6f:74
+ echo cbd9d6f7-1e14-413d-80a8-b0575c478ca3
+ echo fa:16:3e:26:6f:74