Hi Pablo, Please apply the next patch to nf-next: Dominique Martinet reported a tcp hang issue at netdev when simultaneous open was used. The conntrack state table could not handle the case and the patch fixes it by introducing a new internal flag. Best regards, Jozsef Jozsef Kadlecsik (1): netfilter: Fix handling simultaneous open in TCP conntrack include/uapi/linux/netfilter/nf_conntrack_tcp.h | 3 +++ net/netfilter/nf_conntrack_proto_tcp.c | 11 +++++++++++ 2 files changed, 14 insertions(+) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html