def set_alias(self, name: str):
-    tmp = self.get_interface('alias')
-    if tmp != name:
-        self.set_interface('alias', name)
+    try:
+        tmp = self.get_interface('alias')
+    except OSError:
+        # transient: device may be recreating; wait briefly
+        for _ in range(10):
+            if self.exists(self.ifname):
+                break
+            time.sleep(0.1)
+        tmp = ''  # fall through and attempt to set
+    if tmp != name and self.exists(self.ifname):
+        self.set_interface('alias', name)

- o.update(openvpn)
+ # If only description changed, avoid bouncing the daemon.
+ if only_description_changed:
+     if Interface.exists(ifname):
+         o.set_alias(config.get('description', ''))
+     return
+ o.update(openvpn)

rps@vfw-o-site-vpn# set interfaces openvpn vtun4 description 'vfw-x-starlink'
[edit]
rps@vfw-o-site-vpn# commit
[ interfaces openvpn vtun4 ]
VyOS had an issue completing a command.

We are sorry that you encountered a problem while using VyOS.
There are a few things you can do to help us (and yourself):
- Contact us using the online help desk if you have a subscription:
  https://support.vyos.io/
- Make sure you are running the latest version of VyOS available at:
  https://vyos.net/get/
- Consult the community forum to see how to handle this issue:
  https://forum.vyos.io
- Join us on Slack where our users exchange help and advice:
  https://vyos.slack.com

When reporting problems, please include as much information as possible:
- do not obfuscate any data (feel free to contact us privately if your 
  business policy requires it)
- and include all the information presented below

Report time:      2025-08-25 07:22:05
Image version:    VyOS 1.4.3
Release train:    sagitta

Built by:         autobuild@vyos.net
Built on:         Mon 07 Jul 2025 14:34 UTC
Build UUID:       b0ae922b-2396-42b7-bb82-a1ebf406306d
Build commit ID:  f327543504e3da-dirty

Architecture:     x86_64
Boot via:         installed image
System type:      bare metal

Hardware vendor:  Supermicro
Hardware model:   Super Server
Hardware S/N:     0123456789
Hardware UUID:    00000000-0000-0000-0000-3cecef0cb930

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/interfaces_openvpn.py", line 757, in <module>
    apply(c)
  File "/usr/libexec/vyos/conf_mode/interfaces_openvpn.py", line 747, in apply
    o.update(openvpn)
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/interface.py", line 1577, in update
    self.set_alias(config.get('description', ''))
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/interface.py", line 977, in set_alias
    tmp = self.get_interface('alias')
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 176, in get_interface
    return self._get_command(self.config, name)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 59, in _get_command
    return self._command_get[name].get('format', lambda _: _)(self._cmd(cmd))
                                                              ^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 52, in _cmd
    return cmd(command, self.debug)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/utils/process.py", line 155, in cmd
    raise OSError(code, feedback)
PermissionError: [Errno 1] failed to run command: ip -json -detail link list dev vtun4
returned: 
exit code: 1

noteworthy:
cmd 'ip -json -detail link list dev vtun4'
returned (out):

returned (err):
Device "vtun4" does not exist.

[[interfaces openvpn vtun4]] failed
Commit failed
[edit]

root@vfw-o-site-vpn:~# ip -json -detail link list dev vtun1
[{"ifindex":11,"ifname":"vtun1","flags":["POINTOPOINT","MULTICAST","NOARP","UP","LOWER_UP"],"mtu":1500,"qdisc":"noqueue","operstate":"UNKNOWN","linkmode":"DEFAULT","group":"default","txqlen":1000,"link_type":"none","promiscuity":0,"allmulti":0,"min_mtu":68,"max_mtu":65463,"linkinfo":{"info_kind":"ovpn-dco"},"inet6_addr_gen_mode":"none","num_tx_queues":1,"num_rx_queues":1,"gso_max_size":65536,"gso_max_segs":65535,"tso_max_size":65536,"tso_max_segs":65535,"gro_max_size":65536,"gso_ipv4_max_size":65536,"gro_ipv4_max_size":65536}]

root@vfw-o-site-vpn:~# ip -json -detail link list dev vtun2
[{"ifindex":9,"ifname":"vtun2","flags":["POINTOPOINT","MULTICAST","NOARP","UP","LOWER_UP"],"mtu":1500,"qdisc":"noqueue","operstate":"UNKNOWN","linkmode":"DEFAULT","group":"default","txqlen":1000,"link_type":"none","promiscuity":0,"allmulti":0,"min_mtu":68,"max_mtu":65463,"linkinfo":{"info_kind":"ovpn-dco"},"inet6_addr_gen_mode":"none","num_tx_queues":1,"num_rx_queues":1,"gso_max_size":65536,"gso_max_segs":65535,"tso_max_size":65536,"tso_max_segs":65535,"gro_max_size":65536,"gso_ipv4_max_size":65536,"gro_ipv4_max_size":65536}]

root@vfw-o-site-vpn:~# ip -json -detail link list dev vtun3
[{"ifindex":8,"ifname":"vtun3","flags":["POINTOPOINT","MULTICAST","NOARP","UP","LOWER_UP"],"mtu":1500,"qdisc":"noqueue","operstate":"UNKNOWN","linkmode":"DEFAULT","group":"default","txqlen":1000,"link_type":"none","promiscuity":0,"allmulti":0,"min_mtu":68,"max_mtu":65463,"linkinfo":{"info_kind":"ovpn-dco"},"inet6_addr_gen_mode":"none","num_tx_queues":1,"num_rx_queues":1,"gso_max_size":65536,"gso_max_segs":65535,"tso_max_size":65536,"tso_max_segs":65535,"gro_max_size":65536,"gso_ipv4_max_size":65536,"gro_ipv4_max_size":65536}]

root@vfw-o-site-vpn:~# ip -json -detail link list dev vtun4
[{"ifindex":10,"ifname":"vtun4","flags":["POINTOPOINT","MULTICAST","NOARP","UP","LOWER_UP"],"mtu":1300,"qdisc":"noqueue","operstate":"UNKNOWN","linkmode":"DEFAULT","group":"default","txqlen":1000,"link_type":"none","promiscuity":0,"allmulti":0,"min_mtu":68,"max_mtu":65463,"linkinfo":{"info_kind":"ovpn-dco"},"inet6_addr_gen_mode":"none","num_tx_queues":1,"num_rx_queues":1,"gso_max_size":65536,"gso_max_segs":65535,"tso_max_size":65536,"tso_max_segs":65535,"gro_max_size":65536,"gso_ipv4_max_size":65536,"gro_ipv4_max_size":65536}]