++ 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=fbe0792b-bc73-4bdb-98c0-7e82fac19a52 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:be:b5:b4 + echo fbe0792b-bc73-4bdb-98c0-7e82fac19a52 + echo fa:16:3e:be:b5:b4