Merge branch 'mptcp-misc-fixes-for-v7-1-rc4'

Matthieu Baerts says:

====================
mptcp: misc fixes for v7.1-rc4

Here are various unrelated fixes:

- Patch 1: avoid dropping partial packets. A previous version has been
  sent a few week ago. A fix for 5.10.

- Patches 2-3: stop ADD_ADDR timer when an ADD_ADDR can never been sent
  due to insufficient option space. A fix for v5.10.

- Patch 4: reset rcv_wnd_sent on disconnect, just in case the next
  connection falls back to TCP. A fix for 5.17.

- Patch 5: update window_clamp when SO_RCVBUF is set during the
  connection. A fix similar to a recent one on TCP side, for v6.6.

- Patch 6: avoid wrong time being displayed in the selftests when using
  uutils 0.8.0 which contains a regression with 'date +%3N'. It doesn't
  fix an issue in the kernel selftests, but having the fix is helpful
  for those using uutils 0.8.0.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
====================

Link: https://patch.msgid.link/20260515-net-mptcp-misc-fixes-7-1-rc4-v2-0-701e96419f2f@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>