[ovs-git] [openvswitch/ovs] 762ceb: netdev: If MTU set fails, issue warn log.

GitHub noreply at github.com
Wed Apr 18 18:13:24 UTC 2018

  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: 762ceb66b21cbfb1c39c789ae3eb01c9c996c7ea
  Author: Darrell Ball <dlu998 at gmail.com>
  Date:   2018-04-18 (Wed, 18 Apr 2018)

  Changed paths:
    M lib/netdev.c

  Log Message:
  netdev: If MTU set fails, issue warn log.

Recently, an issue was debugged that was thought to be a bond
failover triggered issue.  It turned out to an vlan interface MTU set issue
that had nothing to do with bonding or most other likely possibilities.
Besides the effect of not setting the MTU to the desired value, this can
result in increased netlink traffic and processing with associated wasted
work. Let us flag a configuration issue at warn level (rather than dbg) to
catch the problem early.

Signed-off-by: Darrell Ball <dlu998 at gmail.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>

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