QA output created by 318
From init_user_ns
# file: SCRATCH_MNT/file1
# owner: id1
# group: id1
user::rw-
user:id1:r-x	#effective:r--
user:id2:rw-	#effective:r--
group::r--
group:id2:--x	#effective:---
mask::r--
other::r--

From user_ns
# file: SCRATCH_MNT/file1
# owner: nsid1
# group: nsid1
user::rw-
user:nsid1:r-x	#effective:r--
user:nsid2:rw-	#effective:r--
group::r--
group:nsid2:--x	#effective:---
mask::r--
other::r--

*** Remounting ***

From init_user_ns
# file: SCRATCH_MNT/file1
# owner: id1
# group: id1
user::rw-
user:id1:r-x	#effective:r--
user:id2:rw-	#effective:r--
group::r--
group:id2:--x	#effective:---
mask::r--
other::r--

From user_ns
# file: SCRATCH_MNT/file1
# owner: nsid1
# group: nsid1
user::rw-
user:nsid1:r-x	#effective:r--
user:nsid2:rw-	#effective:r--
group::r--
group:nsid2:--x	#effective:---
mask::r--
other::r--

