[libvirt] [PATCH] Delete veth devices during lxcVMCleanup

[Dan Smith <danms@xxxxxxxxxx>]

This makes sure to delete veth devices after we've killed the container.
In the case of a destroy or crash, this ensures the system is cleaned
up properly.

To be applied atop Daniel Berrange's current LXC patch stack.

diff -r b18ae864eb98 -r cd0bd9a6288a src/lxc_driver.c
--- a/src/lxc_driver.c	Wed Aug 13 09:40:08 2008 -0700
+++ b/src/lxc_driver.c	Thu Aug 14 08:50:49 2008 -0700
@@ -375,6 +375,7 @@
     int rc = -1;
     int waitRc;
     int childStatus = -1;
+    virDomainNetDefPtr net;
 
     while (((waitRc = waitpid(vm->pid, &childStatus, 0)) == -1) &&
            errno == EINTR)
@@ -403,6 +404,11 @@
     vm->pid = -1;
     vm->def->id = -1;
     vm->monitor = -1;
+
+    for (net = vm->def->nets; net; net = net->next) {
+        vethInterfaceUpOrDown(net->ifname, 0);
+        vethDelete(net->ifname);
+    }
 
     return rc;
 }

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