95.139243] video21: VIDIOC_QBUF: 00:00:21.00120000 index=0, type=vid-out-mplane, flags=0x00004002, field=any, sequence=0, memory=userptr
[   95.139262] plane 0: bytesused=2088960, data_offset=0x00000000, offset/userptr=0xb28b3000, length=2088960
[   95.139267] plane 1: bytesused=1044480, data_offset=0x00000000, offset/userptr=0xb27b3000, length=1044480
[   95.139272] timecode=00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
[   95.140800] video21: poll: 00000000
[   95.147066] video21: poll: 00000145
[   95.147076] video21: VIDIOC_DQBUF: 00:00:21.00120000 index=2, type=vid-cap-mplane, flags=0x00004001, field=any, sequence=0, memory=mmap
[   95.147094] plane 0: bytesused=3133440, data_offset=0x00000000, offset/userptr=0x5fa000, length=3133440
[   95.147099] timecode=00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000