++ 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=c1a73929-88b9-40dc-9f5b-64134a7e2ac0
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:5f:4e:c1
+ echo c1a73929-88b9-40dc-9f5b-64134a7e2ac0
+ echo fa:16:3e:5f:4e:c1