http://bugzilla.opensuse.org/show_bug.cgi?id=1171770 http://bugzilla.opensuse.org/show_bug.cgi?id=1171770#c27 --- Comment #27 from Richard Brown <rbrown@suse.com> --- The problem, as we understand it right now, is that the sysctl.d settings from /usr/lib/sysctl.d/90-kubeadm.conf are not getting correctly applied/honoured by the kernel. /proc seems to suggest they are applied, but obviously they don't behave that way and IP forwarding (which is really needed for us) is not working. Various methods of toggling/reapplying settings can get things to work (eg. the WORKAROUND, echo 0 > /proc/sys/net/ipv4/ip_forward && echo 1 > /proc/sys/net/ipv4/ip_forward, sysctl -a --system and such) Quite what is going on in the kernel is still a mystery and other folk are looking at it as I'll be going on vacation. Meanwhile though, I have patches going to both kubernetes1.17 and 1.18 which will run sysctl -a --system before starting kubelet, just to be sure everything is running as configured :) Once this patch is out there the workaround of deleting other influencing sysctl.d config files will be redundant. -- You are receiving this mail because: You are on the CC list for the bug.