On Sat, May 25, 2019 at 03:47:37PM -0400, Brian J. Murrell wrote: > On Sat, 2019-05-25 at 08:52 +0200, Beniamino Galvani via > networkmanager-list wrote: > > > > Hi, it is not NM sending those RS. > > But they stop as soon as I stop NM. > > > If it were, you would see in the > > journal messages like: > > > > ndisc[0x55a43c15e0e0,"ens9"]: router solicitation sent > > I'm not in a position to argue that point, but if the storm can be > stopped and started by stopping and starting NM, that's pretty strong > evidence that NM is doing it, wouldn't you agree?
Are you sure you don't have other daemons like systemd-networkd or something else active which are racing with NM? From logs it is pretty clear that NM is sending exactly one router solicitation at: May 25 15:42:55 server.example.com NetworkManager[10973]: <debug> [1558813375.1729] ndisc[0x55a336c550e0,"enp2s0"]: router solicitation sent However it could be that NM is configuring the kernel in a wrong way. > > I see from the log that you set a IPv6 token; can you please try > > without it if it makes any difference? > > But that machine needs to have a predictable, easily remembered > address, which it does not get without a token. > > In any case, as a debugging step, I did disable it and restart NM and > the storm did not start up with it. When I re-enabled the token again > and restarted NM, the storm started when it started, so it does seem to > be related to using a token. > > > Also, please attach a log from > > the beginning of the profile activation. > > There is no "profile activation" because this is a headless server, > hence the reason for the token. I'll attach the NM log from the time > it is started up. Hopefully that provides what you are looking for. Yes, it is ok. Note that you can force a new activation of a connection with: nmcli connection up $con_name where $con_name if the name of the connection obtained through: nmcli connection show In your case the connection name is equal to the device name - enp2s0. The reactivation is useful to apply changes after modifying a connection without the need to restart NM or reboot. Can you also attach the output of nmcli connection show enp2s0 ? Beniamino
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