[   15.182681] uvcvideo: loading out-of-tree module taints kernel.
[   15.182721] uvcvideo: module verification failed: signature and/or required key missing - tainting kernel
[   15.182761] uvcvideo: Unknown symbol media_entity_create_link (err 0)
[   15.182814] uvcvideo: Unknown symbol media_entity_init (err 0)
[   15.182876] uvcvideo: Unknown symbol media_entity_cleanup (err 0)
[   15.199044] uvcvideo: Unknown symbol media_entity_create_link (err 0)
[   15.199134] uvcvideo: Unknown symbol media_entity_init (err 0)
[   15.199173] uvcvideo: Unknown symbol media_entity_cleanup (err 0)
[   15.612469] uvcvideo: Unknown symbol media_entity_create_link (err 0)
[   15.612554] uvcvideo: Unknown symbol media_entity_init (err 0)
[   15.612603] uvcvideo: Unknown symbol media_entity_cleanup (err 0)