++ 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=f3766cd4-8d9c-43b4-89b2-72eba6d73cc7
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:db:b0:c2
+ echo f3766cd4-8d9c-43b4-89b2-72eba6d73cc7
+ echo fa:16:3e:db:b0:c2