On 8/3/20 5:14 AM, mastertheknife wrote: > What seems to be happening, is that when multipath routing is used > inside LXC (or any network namespace), the kernel doesn't generate a > routing exception to force the lower MTU. > I believe this is a bug inside the kernel. >
Known problem. Original message can take path 1 and ICMP message can path 2. The exception is then created on the wrong path.