Parsing config from freebsd.cfg
libxl: error: libxl.c:2445:device_disk_add: device already exists in xenstore
libxl: error: libxl_create.c:1153:domcreate_launch_dm: unable to add disk devices
libxl: error: libxl_dm.c:1602:kill_device_model: unable to find device model pid in /local/domain/1/image/device-model-pid
libxl: error: libxl.c:1615:libxl__destroy_domid: libxl__destroy_device_model failed for 1
libxl: info: libxl.c:1698:devices_destroy_cb: forked pid 4571 for destroy of domain 1