[ovs-git] [openvswitch/ovs] a773a5: lacp: warn transmit failure of lacp pdu

[Gowrishankar Muthukrishnan]

  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: a773a5c90c7821d2bbb91badd8c5c428a6150b45
      https://github.com/openvswitch/ovs/commit/a773a5c90c7821d2bbb91badd8c5c428a6150b45
  Author: Gowrishankar Muthukrishnan <gmuthukr at redhat.com>
  Date:   2019-10-30 (Wed, 30 Oct 2019)

  Changed paths:
    M ofproto/ofproto-dpif.c

  Log Message:
  -----------
  lacp: warn transmit failure of lacp pdu

It might be difficult to trace whether LACP PDU tx (as in
response) was successful when the pdu was not transmitted by
egress slave for various reasons (including resource contention
within NIC) and only way to trace its fate is by looking at
ofproto->stats.tx_[packets/bytes] and slave port stats.

Adding a warning when there is tx failure could help user
debug at the root of this problem.

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukr at redhat.com>
Signed-off-by: Ben Pfaff <blp at ovn.org>