[libvirt] [PATCH 2/3] Add a detailed message when tap device add fails
Added a more detailed error message when adding a tap devices fails and
the kernel is missing tun support.
Signed-off-by: Doug Goldstein <cardoe(a)gentoo.org>
---
src/qemu/qemu_conf.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 2ca3350..e92021a 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -1694,6 +1694,13 @@ qemudNetworkIfaceConnect(virConnectPtr conn,
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to add tap interface to bridge. "
"%s is not a bridge device"), brname);
+ } else if (err == ENOENT) {
+ /* When the tun drive is missing, give a better message. */
+ qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Failed to add tap interface to bridge. "
+ "Your kernel is missing the 'tun' module or
"
+ "CONFIG_TUN or you need to add the "
+ "/dev/net/tun device node."));
} else if (template_ifname) {
virReportSystemError(err,
_("Failed to add tap interface to
bridge '%s'"),
--
1.7.2