http://bugzilla.opensuse.org/show_bug.cgi?id=1171770 http://bugzilla.opensuse.org/show_bug.cgi?id=1171770#c22 Rafael Fernández López <rfernandezlopez@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rfernandezlopez@suse.com --- Comment #22 from Rafael Fernández López <rfernandezlopez@suse.com> --- I have the impression that `net.ipv6.conf.all.forwarding = 0` being set by `/etc/sysctl.d/70-yast.conf` has an impact here. I did override this setting by creating a `/etc/sysctl.d/91-kubeadm.conf` file with contents: ``` net.ipv4.ip_forward = 1 net.ipv6.conf.all.forwarding = 1 ``` After rebooting the node, everything works fine. As Richard mentioned, removing `/etc/sysctl.d/70-yast.conf` altogether and rebooting also makes the trick. This makes me think that the override in `/usr/lib/sysctl.d/90-kubeadm.conf` is not enough, it currently has: ``` # The file is provided as part of the kubernetes-kubeadm package net.ipv4.ip_forward = 1 ```
From what I see, it should include `net.ipv6.conf.all.forwarding = 1` as well. I cannot explain why this is happening in a better way right now though.
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