[libvirt] [PATCH 2/3] network: add more debugging of firewall chain creation

[Daniel P . Berrangé]

Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
---
 src/network/bridge_driver_linux.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/network/bridge_driver_linux.c 
b/src/network/bridge_driver_linux.c
index 0d849173b2..2b29363f3c 100644
--- a/src/network/bridge_driver_linux.c
+++ b/src/network/bridge_driver_linux.c
@@ -45,28 +45,42 @@ static void networkSetupPrivateChains(void)
 {
     int rc;
 
+    VIR_DEBUG("Setting up global firewall chains");
+
     createdChains = false;
 
     rc = iptablesSetupPrivateChains(VIR_FIREWALL_LAYER_IPV4);
     if (rc < 0) {
+        VIR_DEBUG("Failed to create global IPv4 chains: %s",
+                  virGetLastErrorMessage());
         errInitV4 = virSaveLastError();
         virResetLastError();
     } else {
         virFreeError(errInitV4);
         errInitV4 = NULL;
-        if (rc)
+        if (rc) {
+            VIR_DEBUG("Created global IPv4 chains");
             createdChains = true;
+        } else {
+            VIR_DEBUG("Global IPv4 chains already exist");
+        }
     }
 
     rc = iptablesSetupPrivateChains(VIR_FIREWALL_LAYER_IPV6);
     if (rc < 0) {
+        VIR_DEBUG("Failed to create global IPv6 chains: %s",
+                  virGetLastErrorMessage());
         errInitV6 = virSaveLastError();
         virResetLastError();
     } else {
         virFreeError(errInitV6);
         errInitV6 = NULL;
-        if (rc)
+        if (rc) {
+            VIR_DEBUG("Created global IPv6 chains");
             createdChains = true;
+        } else {
+            VIR_DEBUG("Global IPv6 chains already exist");
+        }
     }
 }
 
-- 
2.21.0

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