++ 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=db8d1523-aef8-457c-845d-ea7e96d72f59
++ openstack port show octavia-health-manager-port-instance -c mac_address -f value
+ HM_PORT_MAC=fa:16:3e:13:0b:c1
+ echo db8d1523-aef8-457c-845d-ea7e96d72f59
+ echo fa:16:3e:13:0b:c1