Comment 2 for bug 1730770

Commit list from upstream. @Caonical If possible, please porting these commits into 18.04. Thanks

00f8b2fce4da2296bafc1de6a46510a13ef60938
v4.16-rc1~54^2~27
12d614a0dcaee9668c641fcaa9f524da861a765e
v4.16-rc1~54^2~41
1f644da7e920cb83403818efa88ebfb6d1528264
v4.16-rc1~54^2~37
21ae43570940f8393a80369f62a3880bd64daad8
v4.16-rc1~54^2~28
2854a0aa822c11ea8538ebfe94a62e20ab570e2b
v4.16-rc1~54^2~38
291101f6a73566f5d1ab597784288c5bc85906fd
v4.16-rc1~54^2~2
661405bd817b209ac9bd4812c63d90873a7f2993
v4.16-rc1~54^2~1
745698c37c08f48fb5ad3c0cb7ee955bd5701d4a
v4.16-rc1~54^2~4
750e0f570b7145870d40f07337f3356c18e0abd4
v4.16-rc1~54^2~29
9383bbadfe29fe8319e2245b75a508db9abd7b87
v4.16-rc1~54^2~5
941691ef2197944a202d7870dcd7da3fb0391c65
v4.16-rc1~54^2~10