++ 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=8edc0e03-ab45-401e-af0b-1ee168232542 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:3c:f3:b8 + echo 8edc0e03-ab45-401e-af0b-1ee168232542 + echo fa:16:3e:3c:f3:b8