Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into...

Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into staging

Python patches

Hopefully, fixes the race conditions witnessed through the NetBSD vm tests.

# gpg: Signature made Mon 07 Mar 2022 22:14:42 GMT
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jsnow-gitlab/tags/python-pull-request:
  scripts/qmp-shell-wrap: Fix import path
  python/aqmp: drop _bind_hack()
  python/aqmp: fix race condition in legacy.py
  python/aqmp: add start_server() and accept() methods
  python/aqmp: stop the server during disconnect()
  python/aqmp: refactor _do_accept() into two distinct steps
  python/aqmp: squelch pylint warning for too many lines
  python/aqmp: split _client_connected_cb() out as _incoming()
  python/aqmp: remove _new_session and _establish_connection
  python/aqmp: rename 'accept()' to 'start_server_and_accept()'
  python/aqmp: add _session_guard()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>