When closing a connection, make the nbd-fault-injector flush the socket.
Without this, the output is a bit unreliable with Python 3.
Signed-off-by: NMax Reitz <mreitz@redhat.com>
Reviewed-by: NEduardo Habkost <ehabkost@redhat.com>
Reviewed-by: NCleber Rosa <crosa@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Message-Id: <20181022135307.14398-2-mreitz@redhat.com>
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>