++ 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=281a171c-e10e-4706-b054-1781e63f9529 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e2:56:d5 + echo 281a171c-e10e-4706-b054-1781e63f9529 + echo fa:16:3e:e2:56:d5