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78c1930198
Add userns_devmem.py, which mirrors nk_devmem.py but places the netkit guest in a netns whose owning user_ns is non-init. ncdevmem is ran there via nsenter so the bind-rx call is issued with creds that hold CAP_NET_ADMIN only in the child user_ns. Without the preceding GENL_UNS_ADMIN_PERM patch the test fails at bind-rx with EPERM, but with the patch the transfer completes and tests pass. Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20260602-nl-prov-v2-2-ad721142c641@meta.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>