Commits on Feb 2, 2024

1. libnet: bridge: ignore EINVAL when configuring bridge MTU …

   Since 964ab71, we explicitly set the bridge MTU if it was specified.
   Unfortunately, kernel <v4.17 have a check preventing us to manually set
   the MTU to anything greater than 1500 if no links is attached to the
   bridge, which is how we do things -- create the bridge, set its MTU and
   later on, attach veths to it.
   
   Relevant kernel commit: torvalds/linux@804b854
   
   As we still have to support CentOS/RHEL 7 (and their old v3.10 kernels)
   for a few more months, we need to ignore EINVAL if the MTU is > 1500
   (but <= 65535).
   
   Signed-off-by: Albin Kerouanton <albinker@gmail.com>
   (cherry picked from commit 89470a7)
   Signed-off-by: Albin Kerouanton <albinker@gmail.com>

   

   akerouanton committed Feb 2, 2024
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