Known bugs for 2.4.0
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+Known bugs with the 2.4.0 kernel:
+
+1) NAT in the OUTPUT chain does not work in general. The fix is
+ intrusive, and means we will have a CONFIG_NF_IP_NAT_LOCAL option
+ when it comes back.
+
+2) tcpdump traffic is corrupted by OUTPUT NAT.
+
+3) Connection tracking doesn't wait very long for reply FIN, meaning
+ that half-closed pipes can time out early (seen frequently with squid).