Reduce the established_timer to 30 minutes.
Add stream_timeout parameter.
Silence the fact that a conntrack is still being referenced.
Only fill a gap in the reverse direction if we have had packets in that direction.
Increase the default max buffer to 8M per TCP connection.
Don't unlock the conntrack twice.
Don't cleanup twice packets.
Cleanup filter parameter.
Cleanup conn_buffer parameter.
Fix session refcount when the expectation is not matched.
Add and improve expectation and core debugging respectively.
Cleanup expectations if they are not matched.