Re: [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&gt; --- 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'"),