I have tried it with commit9ecf07a1d8 version, but got "Invalid argument" again. Here is the output.
ubuntu@testkernel:~$ uname -a Linux testkernel 3.13.0-100-generic #147~lp1634892WithCommit9ecf07a1d8 SMP Wed Oct 26 18:36:02 UTC 2 x86_64 x86_64 x86_64 GNU/Linux ubuntu@testkernel:~$ sudo sysctl -w net.ipv4.neigh.default.gc_thresh1=8192 sysctl: setting key "net.ipv4.neigh.default.gc_thresh1": Invalid argument net.ipv4.neigh.default.gc_thresh1 = 8192 -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs