I'd do the following: a) Run lsmod when the system is not showing messages. b) Run lsmod after running conntrack -L On Thu, Mar 16, 2017 at 10:32 AM, Muhammad Faisal <faisalusuf@xxxxxxxxx> wrote: > Hello, > Any suggestion on this? > Best Regards, > Muhammad Faisal > > Disclaimer: > Information in this e-mail and attachments is confidential and may be > legally privileged. Only intended recipients are authorized to use it. > If you have received this message in error, please delete it and all > copies of the message from your system and notify the sender > immediately by return e-mail. I'm neither liable for incomplete > transmission of the information in this communication nor for damage > caused by any virus transmitted through this e-mail. > > > > On Thu, Mar 16, 2017 at 12:01 AM, Muhammad Faisal <faisalusuf@xxxxxxxxx> wrote: >> Hello, >> Im able to reproduce the problem. The messages stopped upon system >> reboot. The logs starts when conntrack -L command is executed. The >> interesting fact is the following message appeared when I ran the >> conntrack -L command. This mean NETLINK things is not getting started >> unless conntrack command is ran by the user. >> >> Mar 16 00:51:53 wc01 kernel: Netfilter messages via NETLINK v0.30. >> >> What is the solution ? >> Best Regards, >> Muhammad Faisal >> >> Disclaimer: >> Information in this e-mail and attachments is confidential and may be >> legally privileged. Only intended recipients are authorized to use it. >> If you have received this message in error, please delete it and all >> copies of the message from your system and notify the sender >> immediately by return e-mail. I'm neither liable for incomplete >> transmission of the information in this communication nor for damage >> caused by any virus transmitted through this e-mail. >> >> >> >> On Tue, Mar 14, 2017 at 11:48 PM, Muhammad Faisal <faisalusuf@xxxxxxxxx> wrote: >>> Hi Eric, >>> >>>> This looks rather strange. Could you have a task running in background >>>> and removing conntrack related kernel module ? >>> >>> Pardon, I couldnt get what you mean? Please elaborate >>> >>> Also the Ravin response is also witnessing there is some problem for >>> which conntrack -L command is requried to run periodically. Strange >>> though! >>> >>> >>> >>> On Tue, Mar 14, 2017 at 1:02 PM, Eric Leblond <eric@xxxxxxxxx> wrote: >>>> Hi, >>>> >>>> On Tue, 2017-03-14 at 10:05 +0500, Muhammad Faisal wrote: >>>>> Hello, >>>>> Anyone experienced this behavior with ulogd2? >>>>> >>>>> We have setup nat server with src-nat event logging using ulogd2. >>>>> After running for couple of day all of sudden the ulogd2 messages >>>>> stopped. There was nothing related to connection events. >>>>> >>>>> When i run conntrack -L command and then conntrack -E command the >>>>> logs >>>>> starts appearing. >>>>> >>>>> Please help me out i did not find any clue why this is happening. >>>> >>>> This looks rather strange. Could you have a task running in background >>>> and removing conntrack related kernel module ? >>>> >>>> BR, >>>> >>>>> >>>>> Thanks >>>>> Best Regards, >>>>> Muhammad Faisal >>>>> >>>>> Disclaimer: >>>>> Information in this e-mail and attachments is confidential and may be >>>>> legally privileged. Only intended recipients are authorized to use >>>>> it. >>>>> If you have received this message in error, please delete it and all >>>>> copies of the message from your system and notify the sender >>>>> immediately by return e-mail. I'm neither liable for incomplete >>>>> transmission of the information in this communication nor for damage >>>>> caused by any virus transmitted through this e-mail. >>>>> >>>>> >>>>> >>>>> On Mon, Mar 13, 2017 at 8:38 PM, Muhammad Faisal <faisalusuf@xxxxxxxx >>>>> m> wrote: >>>>> > Hello, >>>>> > We have setup nat server with src-nat event logging using ulogd2. >>>>> > After running for couple of day all of sudden the ulogd2 messages >>>>> > stopped. There was nothing related to connection events. >>>>> > >>>>> > When i run conntrack -L command and then conntrack -E command the >>>>> > logs >>>>> > starts appearing. >>>>> > >>>>> > Please help me out i did not find any clue why this is happening. >>>>> > >>>>> > Cent OS 6 >>>>> > Conntrack v1.4 >>>>> > >>>>> > [root@wc01 ~]# ulogd -V >>>>> > ulogd Version 2.0.5 >>>>> > >>>>> > Installed Packages >>>>> > Name : libnet >>>>> > Arch : x86_64 >>>>> > Version : 1.1.6 >>>>> > Release : 7.el6 >>>>> > Size : 141 k >>>>> > Repo : installed >>>>> > From repo : epel >>>>> > >>>>> > Available Packages >>>>> > Name : libnet >>>>> > Arch : i686 >>>>> > Version : 1.1.6 >>>>> > Release : 7.el6 >>>>> > Size : 59 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnet-devel >>>>> > Arch : i686 >>>>> > Version : 1.1.6 >>>>> > Release : 7.el6 >>>>> > Size : 181 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnet-devel >>>>> > Arch : x86_64 >>>>> > Version : 1.1.6 >>>>> > Release : 7.el6 >>>>> > Size : 181 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnet10 >>>>> > Arch : i686 >>>>> > Version : 1.0.2a >>>>> > Release : 18.el6 >>>>> > Size : 39 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnet10 >>>>> > Arch : x86_64 >>>>> > Version : 1.0.2a >>>>> > Release : 18.el6 >>>>> > Size : 37 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnet10-devel >>>>> > Arch : i686 >>>>> > Version : 1.0.2a >>>>> > Release : 18.el6 >>>>> > Size : 21 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnet10-devel >>>>> > Arch : x86_64 >>>>> > Version : 1.0.2a >>>>> > Release : 18.el6 >>>>> > Size : 21 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_acct >>>>> > Arch : i686 >>>>> > Version : 1.0.2 >>>>> > Release : 1.el6 >>>>> > Size : 18 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_acct >>>>> > Arch : x86_64 >>>>> > Version : 1.0.2 >>>>> > Release : 1.el6 >>>>> > Size : 18 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_acct-devel >>>>> > Arch : i686 >>>>> > Version : 1.0.2 >>>>> > Release : 1.el6 >>>>> > Size : 22 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_acct-devel >>>>> > Arch : x86_64 >>>>> > Version : 1.0.2 >>>>> > Release : 1.el6 >>>>> > Size : 22 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_conntrack >>>>> > Arch : i686 >>>>> > Version : 0.0.100 >>>>> > Release : 2.el6 >>>>> > Size : 39 k >>>>> > Repo : base >>>>> > >>>>> > Name : libnetfilter_conntrack >>>>> > Arch : x86_64 >>>>> > Version : 0.0.100 >>>>> > Release : 2.el6 >>>>> > Size : 38 k >>>>> > Repo : base >>>>> > >>>>> > Name : libnetfilter_conntrack-devel >>>>> > Arch : i686 >>>>> > Version : 0.0.100 >>>>> > Release : 2.el6 >>>>> > Size : 14 k >>>>> > Repo : base >>>>> > >>>>> > >>>>> > Name : libnetfilter_conntrack-devel >>>>> > Arch : x86_64 >>>>> > Version : 0.0.100 >>>>> > Release : 2.el6 >>>>> > Size : 14 k >>>>> > Repo : base >>>>> > >>>>> > >>>>> > Name : libnetfilter_cthelper >>>>> > Arch : i686 >>>>> > Version : 1.0.0 >>>>> > Release : 3.el6 >>>>> > Size : 17 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_cthelper >>>>> > Arch : x86_64 >>>>> > Version : 1.0.0 >>>>> > Release : 3.el6 >>>>> > Size : 16 k >>>>> > Repo : epel >>>>> > >>>>> > >>>>> > Name : libnetfilter_cthelper-devel >>>>> > Arch : i686 >>>>> > Version : 1.0.0 >>>>> > Release : 3.el6 >>>>> > Size : 14 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_cthelper-devel >>>>> > Arch : x86_64 >>>>> > Version : 1.0.0 >>>>> > Release : 3.el6 >>>>> > Size : 14 k >>>>> > Repo : epel >>>>> > >>>>> > >>>>> > Name : libnetfilter_log >>>>> > Arch : i686 >>>>> > Version : 1.0.1 >>>>> > Release : 7.el6 >>>>> > Size : 21 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_log >>>>> > Arch : x86_64 >>>>> > Version : 1.0.1 >>>>> > Release : 7.el6 >>>>> > Size : 21 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_log-devel >>>>> > Arch : i686 >>>>> > Version : 1.0.1 >>>>> > Release : 7.el6 >>>>> > Size : 8.9 k >>>>> > Repo : epel >>>>> > >>>>> > Name : libnetfilter_log-devel >>>>> > Arch : x86_64 >>>>> > Version : 1.0.1 >>>>> > Release : 7.el6 >>>>> > Size : 8.9 k >>>>> > Repo : epel >>>>> > >>>>> > >>>>> > Name : libnetfilter_queue >>>>> > Arch : i686 >>>>> > Version : 1.0.1 >>>>> > Release : 3.el6 >>>>> > Size : 18 k >>>>> > Repo : base >>>>> > >>>>> > Name : libnetfilter_queue >>>>> > Arch : x86_64 >>>>> > Version : 1.0.1 >>>>> > Release : 3.el6 >>>>> > Size : 18 k >>>>> > Repo : base >>>>> > >>>>> > Name : libnetfilter_queue-devel >>>>> > Arch : i686 >>>>> > Version : 1.0.1 >>>>> > Release : 3.el6 >>>>> > Size : 8.4 k >>>>> > Repo : base >>>>> > >>>>> > Name : libnetfilter_queue-devel >>>>> > Arch : x86_64 >>>>> > Version : 1.0.1 >>>>> > Release : 3.el6 >>>>> > Size : 8.4 k >>>>> > Repo : base >>>>> > Best Regards, >>>>> > Muhammad Faisal >>>>> > >>>>> > Disclaimer: >>>>> > Information in this e-mail and attachments is confidential and may >>>>> > be >>>>> > legally privileged. Only intended recipients are authorized to use >>>>> > it. >>>>> > If you have received this message in error, please delete it and >>>>> > all >>>>> > copies of the message from your system and notify the sender >>>>> > immediately by return e-mail. I'm neither liable for incomplete >>>>> > transmission of the information in this communication nor for >>>>> > damage >>>>> > caused by any virus transmitted through this e-mail. >>>>> >>>>> -- >>>>> To unsubscribe from this list: send the line "unsubscribe netfilter" >>>>> in >>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>> -- >>>> Eric Leblond <eric@xxxxxxxxx> > -- > To unsubscribe from this list: send the line "unsubscribe netfilter" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html