++ 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=230fc0ab-9464-49cb-b604-1db41d1bbe62 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:88:09:f6 + echo 230fc0ab-9464-49cb-b604-1db41d1bbe62 + echo fa:16:3e:88:09:f6