nodedev: Improve error with unknown address strings

Signed-off-by: Cole Robinson <crobinso@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/virtinst/nodedev.py b/virtinst/nodedev.py
index 248723b9..f0bc769b 100644
--- a/virtinst/nodedev.py
+++ b/virtinst/nodedev.py
@@ -235,7 +235,8 @@ def _AddressStringToHostdev(conn, addrstr):
             hostdev.bus = bus
             hostdev.device = device
         else:
-            raise RuntimeError("Unknown address type")
+            raise RuntimeError(
+                    "Unknown hostdev address string format '%s'" % addrstr)
     except Exception:
         log.debug("Error parsing node device string.", exc_info=True)
         raise