fix to handle OpenStack where mtu exists but is null

vyos · Jan 1, 2024 · fe10646 · fe10646
1 parent 2030846
commit fe10646
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cloudinit/config/cc_vyos.py b/cloudinit/config/cc_vyos.py
@@ -466,7 +466,7 @@ def set_config_interfaces_v1(config, iface_config: dict):
             config.set_tag(['interfaces', 'ethernet'])
 
         # configre MTU
-        if 'mtu' in iface_config:
+        if 'mtu' in iface_config and iface_config['mtu'] is not None:
             set_ether_mtu(config, iface_name, iface_config['mtu'])
         # We still need to set default MTU for Ethernet, for compatibility reasons
         else: