[PATCH 0/2] test: Fix two issues made apparent by new command dispatch

[Stefano Brivio <sbrivio@redhat.com>]

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This is based on pending series by David, but they're logically separated
fixes, so I'm sending them as a different series.

Patch 2/2 adds some 'sleep 1' commands that were previously missing, which
actually goes against the intention of speeding up those tests. However,
without those, a number of tests fail quite frequently due to races
between starting server and client, and I could never get a clean run
with the new command dispatch mechanism otherwise.

We can probably find a more elegant (and time-saving) mechanism to
make sure the server is ready (based e.g. on parsing its output), but
at the moment I'm just trying to make the test suite work again for
me in its entirety.

Stefano Brivio (2):
  test/perf: Check for /sbin/sysctl with which(1), not simply sysctl
  test/passt_in_ns: Consistent sleep commands before starting socat
    client

 test/passt_in_ns/tcp | 29 +++++++++++++++++++++++++----
 test/passt_in_ns/udp | 18 ++++++++++++++++--
 test/perf/passt_tcp  |  4 ++--
 test/perf/passt_udp  |  2 +-
 test/perf/pasta_tcp  |  2 +-
 5 files changed, 45 insertions(+), 10 deletions(-)

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2.35.1