[strongSwan] Simple road warrior setup no longer routing after upgrade

[Tobias Brunner]

Hi James,

> However when I attempt to ping, I see the ping on the ppp0 interface,
> and the source isn't 172.16.0.1:
> 2018-07-25 18:26:37.085194521      8.0.0.1 → 192.168.1.1 ICMP 100 Echo
> (ping) request  id=0x0004, seq=1/256, ttl=64

That indicates you ran into a bug in the 4.15 kernel.  See my response
at [1] and if you use Ubuntu 18.04, there might soon be a fix [2].

Regards,
Tobias


[1] https://serverfault.com/a/933614/95913
[2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1795653