fix(core): IPutil

Signed-off-by: Peter Mikus <peter.mikus@protonmail.ch>
Change-Id: Ie4a61ade1da312ddab078411c8a7db3ba59393f3

1 files changed, 7 insertions, 3 deletions

diff --git a/resources/libraries/python/IPUtil.py b/resources/libraries/python/IPUtil.py
index 672aa1ae3c..309d8241ee 100644
--- a/resources/libraries/python/IPUtil.py
+++ b/resources/libraries/python/IPUtil.py
@@ -394,12 +394,16 @@ class IPUtil:
         :raises RuntimeError: If cannot get the information about interfaces.
         """
         cmd = f"grep '{pci_addr}' /sys/class/net/*/device/uevent"
-        msg = "Could not get information about interfaces"
-        stdout, stderr = exec_cmd_no_error(node, cmd, timeout=30, err_msg=msg)
+        ret_code, stdout, stderr = exec_cmd(node, cmd, timeout=30)
+        if ret_code != 0:
+            return None
+
         try:
             return stdout.split("/")[4]
         except IndexError:
-            raise RuntimeError(f"{msg}:\n{stderr}")
+            raise RuntimeError(
+                f"Could not get information about interfaces:\n{stderr}"
+            )
 
     @staticmethod
     def set_linux_interface_up(