++ 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=4480491d-f9a6-4f2b-b1ea-859d209ace6f
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:b2:df:20
+ echo 4480491d-f9a6-4f2b-b1ea-859d209ace6f
+ echo fa:16:3e:b2:df:20