diff --git a/io/net/virt-net/lpm.py b/io/net/virt-net/lpm.py
index 8958cffdc..5b8bffe6d 100644
--- a/io/net/virt-net/lpm.py
+++ b/io/net/virt-net/lpm.py
@@ -311,7 +311,7 @@ def check_dmesg_error(self):
         error = ['uevent: failed to send synthetic uevent', 'failed to send uevent', 'registration failed']
         self.log.info("Gathering kernel errors if any")
         try:
-            dmesg.collect_errors_by_level(skip_errors=error)
+            dmesg.collect_errors_by_level(level_check=4, skip_errors=error)
         except Exception as exc:
             self.log.info(exc)
             self.fail("test failed,check dmesg log in debug log")