Merge tag 'pull-nbd-2025-04-03' of https://repo.or.cz/qemu/ericb into staging

NBD patches for 2025-04-03

- revert iotest 162 workaround, now that qemu-nbd bug is fixed

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* tag 'pull-nbd-2025-04-03' of https://repo.or.cz/qemu/ericb:
  Revert "iotests: Stop NBD server in test 162 before starting the next one"

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>