++ 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=c7e42971-c3df-4198-beaf-20ac2cc97a0d
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:53:c3:59
+ echo c7e42971-c3df-4198-beaf-20ac2cc97a0d
+ echo fa:16:3e:53:c3:59