message: protocol.ChanneledStream: Don't assert on protocol error.
diff: @@ -115,7 +115,8 @@ namespace elle
  }
  {
  elle::Buffer p(backend.read());
  - ELLE_ASSERT_EQ(1, (signed)p.size());
  + if (signed(p.size()) != 1)
  + elle::err("invalid hanshake packet size: %s", p.size());
  his = p.contents()[0];
  ELLE_DEBUG("%s: his roll: %d", *this, (int)his);
  }
  