Looks like this got punted to 3.13.0-106, which I installed it from the canonical-kernel-team ppa. This bug appears to be solved in -106.
thomasco@dev:~$ uname -a Linux dev 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6 15:44:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux thomasco@dev:~$ sudo sysctl -w net.ipv4.neigh.default.gc_thresh3=4096 net.ipv4.neigh.default.gc_thresh3 = 4096 thomasco@dev:~$ cat /proc/sys/net/ipv4/neigh/default/gc_thresh3 4096 thomasco@dev:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1634892 Title: Setting net.ipv4.neigh.default.gc_thresh1/2/3 on 3.13.0-97.144 or later causes 'invalid argument' error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1634892/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
