++ 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=4621eef9-a27e-4bc4-8f36-22ec37e72992 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ae:0e:10 + echo 4621eef9-a27e-4bc4-8f36-22ec37e72992 + echo fa:16:3e:ae:0e:10