igt@core_hotunplug@unbind-rebind - fail/abort - Failed assertion: fd_drm >= 0, file descriptor fd_drm failed

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9829/fi-bwr-2160/igt@core_hotunplug@unbind-rebind.html

- Err	
- Starting subtest: unbind-rebind
- (core_hotunplug:1118) drmtest-WARNING: No card matches the filter!
- (core_hotunplug:1118) CRITICAL: Test assertion failure function local_drm_open_driver, file ../tests/core_hotunplug.c:77:
- (core_hotunplug:1118) CRITICAL: Failed assertion: fd_drm >= 0
- (core_hotunplug:1118) CRITICAL: Last errno: 2, No such file or directory
- (core_hotunplug:1118) CRITICAL: file descriptor fd_drm failed
- Subtest unbind-rebind failed.