Here's a one liner that *doesn't require root* that you can use to test whether the kernel fix has landed:
unshare -rUn sh -c 'ip link add dummy1 type dummy && ip link set dummy1 up && ip -6 route add default dev dummy1 && ip -6 rule add table main suppress_prefixlength 0 && ping -f 1234::1' Note: this will crash your system. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1847478 Title: wireguard crashes system shortly after wg-quick down wg0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wireguard/+bug/1847478/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs