Avoid reusing recorded events when performing a migration, since this
may make the migration selection logic pick an already-moved flow.
Fixes: f6257b22e7 ("event/dsw: add load balancing")
Cc: stable@dpdk.org
Reported-by: Venky Venkatesh <vvenkatesh@paloaltonetworks.com>
Signed-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>