++ 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=74dfc7dc-0922-47ec-b950-643483678140
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:b1:20:b8
+ echo 74dfc7dc-0922-47ec-b950-643483678140
+ echo fa:16:3e:b1:20:b8