[Kernel-packages] [Bug 1890131] Re: Kernel 5.4.44 PMTUD broken inside LXC with multipath routing

Hi, Nevermind, i reported this to the kernel team and it was fixed upstream. Fixed in 5.4.68 You can close this. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1890131 Title: Kernel

[Kernel-packages] [Bug 1890131] [NEW] Kernel 5.4.44 PMTUD broken inside LXC with multipath routing

Public bug reported: Hi, I have discovered that with the Ubuntu 5.4.44 kernel, PMTUD (Path MTU discovery) is broken inside LXC (network namespace) if using multipath routing. This breaks TCP, because it keeps trying to send oversized packets. Host test: -- root@host1:~# ip route add