While looking at other MTU issues, noticed a couple oppurtunties for improving user experience.
Stephen Hemminger (3): failover: change mtu has RTNL net: report min and max mtu network device settings net: report invalid mtu value via netlink extack drivers/net/net_failover.c | 4 ++-- include/linux/netdevice.h | 2 ++ include/uapi/linux/if_link.h | 2 ++ net/core/dev.c | 23 +++++++++++++++++------ net/core/rtnetlink.c | 8 +++++++- 5 files changed, 30 insertions(+), 9 deletions(-) -- 2.18.0