From: Laine Stump <laine@laine.org>
Date: Sun, 1 Jul 2018 23:27:17 +0000 (-0400)
Subject: util: add some debug log to virNetDevGetMaster
X-Git-Tag: v4.6.0-rc1~350
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=15072f3a97d8b55421fa418df58708e306d8813d;p=thirdparty%2Flibvirt.git

util: add some debug log to virNetDevGetMaster

This makes it easier to see why libvirt has decided it must re-attach
a tap device to its bridge.

Signed-off-by: Laine Stump <laine@laine.org>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
---

diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
index b250af9e2c..c20022fbc9 100644
--- a/src/util/virnetdev.c
+++ b/src/util/virnetdev.c
@@ -977,6 +977,7 @@ virNetDevGetMaster(const char *ifname, char **master)
             goto cleanup;
     }
 
+    VIR_DEBUG("IFLA_MASTER for %s is %s", ifname, *master ? *master : "(none)");
     ret = 0;
  cleanup:
     VIR_FREE(nlData);