vyos@r14# set interfaces bonding bond0 member interface eth2
[edit]
vyos@r14# commit
[ interfaces bonding bond0 ]
VyOS had an issue completing a command.


Report time:      2026-07-17 06:23:09
Image version:    VyOS 2026.07.17-0034-rolling
Release train:    rolling

Built by:         autobuild@vyos.net
Built on:         Fri 17 Jul 2026 00:34 UTC
Build UUID:       6d917058-de0f-4173-a4eb-fd54f3a02c22
Build commit ID:  d4b8934eadc436

Architecture:     x86_64
Boot via:         installed image
System type:      KVM guest

Hardware vendor:  QEMU
Hardware model:   Standard PC (Q35 + ICH9, 2009)
Hardware S/N:     
Hardware UUID:    ec976809-bb5a-4769-8630-72652c43c101

PermissionError: [Errno 1] Operation not permitted

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/interfaces_bonding.py", line 325, in <module>
    apply(c)
  File "/usr/libexec/vyos/conf_mode/interfaces_bonding.py", line 305, in apply
    b.update(bond)
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/bond.py", line 507, in update
    self.add_port(interface)
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/bond.py", line 313, in add_port
    ret = self.set_interface('bond_add_port', f'+{interface}')
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 209, in set_interface
    return self._set_sysfs(self.config, name, value)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 192, in _set_sysfs
    committed = self._write_sysfs(
                ^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 158, in _write_sysfs
    write_file(filename, str(value))
  File "/usr/lib/python3/dist-packages/vyos/utils/file.py", line 81, in write_file
    raise e
  File "/usr/lib/python3/dist-packages/vyos/utils/file.py", line 70, in write_file
    with open(fname, 'w' if not append else 'a') as f:
PermissionError: [Errno 1] Operation not permitted

noteworthy:
cmd 'ethtool --json --show-pause eth2'
returned (out):
[ ]
returned (err):
netlink error: Operation not supported
cmd 'ethtool --json --show-pause eth2'
returned (out):
[ ]
returned (err):
netlink error: Operation not supported
cmd 'ethtool --json --show-pause eth2'
returned (out):
[ ]
returned (err):
netlink error: Operation not supported
cmd 'ip link show dev bond0'
returned (out):

returned (err):
Device "bond0" does not exist.
cmd 'ip link show dev bond0'
returned (out):

returned (err):
Device "bond0" does not exist.

[[interfaces bonding bond0]] failed
Commit failed
[edit]
vyos@r14#

DEBUG - ERROR: 4/94 tests failed:
DEBUG - * /usr/libexec/vyos/tests/smoke/cli/test_config_dependency.py
DEBUG - * /usr/libexec/vyos/tests/smoke/cli/test_firewall.py
DEBUG - * /usr/libexec/vyos/tests/smoke/cli/test_service_stunnel.py
DEBUG - * /usr/libexec/vyos/tests/smoke/cli/test_vrf.py
DEBUG - vyos@vyos:~$ echo EXITCODE:$?
DEBUG - echo EXITCODE:$?
ERROR - Smoketest failed :/

DEBUG -   File "/usr/lib/python3/dist-packages/vyos/utils/process.py", line 251, in cmdl
DEBUG -     raise OSError(code, feedback)
DEBUG - PermissionError: [Errno 1] failed to run command: ip link add dev bond0
DEBUG - returned:
DEBUG - exit code: 1
DEBUG -
DEBUG - noteworthy:
DEBUG - cmd 'ip link show dev bond0'
DEBUG - returned (out):
DEBUG -
DEBUG - returned (err):
DEBUG - Device "bond0" does not exist.
DEBUG - cmd 'ip link show dev bond0'
DEBUG - returned (out):
DEBUG -
DEBUG - returned (err):
DEBUG - Device "bond0" does not exist.
DEBUG - cmd 'ip link add dev bond0'
DEBUG - returned (out):
DEBUG -
DEBUG - returned (err):
DEBUG - Not enough information: "type" argument is required