1#format: ACTION=="remove",SUBSYSTEM=="xxx",DEVPATH=="xxxx",HDF_PNP_EVENT=sample_driver_service:unload 2#format: ACTION=="add",SUBSYSTEM=="xxx",DEVPATH=="xxxx",HDF_PNP_EVENT=sample_driver_service:load 3ACTION=="remove",DEVPATH=="/devices/virtual/hdf/hdf_uevent_ut",SUBSYSTEM=="hdf",DEVNAME=="hdf/hdf_uevent_ut",HDF_PNP_EVENT=sample_driver_service:unload 4ACTION=="add",DEVPATH=="/devices/virtual/hdf/hdf_uevent_ut",SUBSYSTEM=="hdf",DEVNAME=="hdf/hdf_uevent_ut",HDF_PNP_EVENT=sample_driver_service:load 5