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Message-ID: <5408A4D1.9050606@redhat.com> Date: Thu, 04 Sep 2014 19:43:45 +0200 From: Daniel Borkmann <dborkman@...hat.com> To: David Laight <David.Laight@...LAB.COM> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, dcbw@...hat.com Subject: Re: Does NetworkManager kill IPv6 connections? [ Cc'ing Dan ] On 09/04/2014 04:47 PM, David Laight wrote: > I was running a overnight test that failed because an (almost idle) IPv6 connection > unexpectedly disconnected. > 30 seconds before the disconnect syslog contains (retyped): > NetworkManager[pid]: <info> policy set 'Wired connection 2' (eth0) as default for IPv6 routing and DNS. > The same message appeared exactly 70 minutes earlier - with no ill effect. > A second connection between the same pair if addresses (carrying a lot of traffic) > was unaffected. > > Any idea what/why NetworkManager is doing? > (Yes I know it is userspace, but it seems to be breaking the kernel....) > > The system is an ubuntu 13.04 desktop (3.8.0-19 kernel), that recent, but > newer than the ones a lot of our customers use. > > I can rerun the test, but don't know what to look for. > 'eth0' is the only ethernet interface in the system that is actually > connected to a network. > > Some indications of where to look would be appreciated. > > David -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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