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Pseudo-Ethernet: source-interface must not be member of a bridge
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Description

If your peth source-interface is also member of a bridge you will get an error:

Report Time:      2020-08-15 17:33:04
Image Version:    VyOS 1.3-rolling-202008130721
Release Train:    equuleus

Built by:         [email protected]
Built on:         Thu 13 Aug 2020 07:21 UTC
Build UUID:       93b236d9-08bf-4d9e-a05f-fa67d8fbd7d0
Build Commit ID:  99114c57bad638

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

Hardware vendor:  PC Engines
Hardware model:   apu4
Hardware S/N:     1360315
Hardware UUID:    Unknown

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/interfaces-pseudo-ethernet.py", line 98, in <module>
    apply(c)
  File "/usr/libexec/vyos/conf_mode/interfaces-pseudo-ethernet.py", line 89, in apply
    p = MACVLANIf(peth['ifname'], **conf)
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/interface.py", line 237, in __init__
    self._create()
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/macvlan.py", line 53, in _create
    self._cmd(cmd.format(**self.config))
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/control.py", line 51, in _cmd
    return cmd(command, self.debug)
  File "/usr/lib/python3/dist-packages/vyos/util.py", line 179, in cmd
    raise OSError(code, feedback)
FileNotFoundError: [Errno 2] failed to run command: ip link add peth0 link eth1 type macvlan mode private
returned:
exit code: 2

A validation check should be added.

Same error persists in VyOS 1.2.5

image.png (1×1 px, 141 KB)

Details

Difficulty level
Easy (less than an hour)
Version
1.3-rolling-202008130721
Why the issue appeared?
Implementation mistake
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

Event Timeline

c-po changed the task status from Open to In progress.Aug 15 2020, 3:35 PM
c-po claimed this task.
c-po created this task.
c-po updated the task description. (Show Details)Aug 15 2020, 3:48 PM
c-po added a project: VyOS 1.2 Crux (VyOS 1.2.5).
c-po moved this task from Need Triage to In Progress on the VyOS 1.3 Equuleus board.
c-po reassigned this task from c-po to dmbaturin.Aug 15 2020, 5:18 PM
c-po moved this task from In Progress to Finished on the VyOS 1.3 Equuleus board.
c-po moved this task from Needs Triage to Backlog on the VyOS 1.2 Crux (VyOS 1.2.5) board.Aug 26 2020, 6:08 PM
c-po edited projects, added VyOS 1.2 Crux (VyOS 1.2.6); removed VyOS 1.2 Crux (VyOS 1.2.5).
pasik added a subscriber: pasik.Aug 27 2020, 7:35 AM
dmbaturin edited projects, added VyOS 1.2 Crux (VyOS 1.2.7); removed VyOS 1.2 Crux (VyOS 1.2.6).Sep 9 2020, 1:19 PM
dmbaturin changed Is it a breaking change? from Unspecified (possibly destroys the router) to Perfectly compatible.
dmbaturin edited projects, added VyOS 1.2 Crux (VyOS 1.2.8); removed VyOS 1.2 Crux (VyOS 1.2.7).Mar 14 2021, 3:47 AM
dmbaturin changed Why the issue appeared? from Will be filled on close to Implementation mistake.
syncer edited projects, added VyOS 1.2 Crux (VyOS 1.2.9); removed VyOS 1.2 Crux (VyOS 1.2.8).Jul 19 2021, 8:51 PM
erkin set Issue type to Bug (incorrect behavior).Aug 29 2021, 1:26 PM
erkin removed a subscriber: Active contributors.
syncer closed this task as Resolved.Oct 17 2021, 12:38 PM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.0-epa1); removed VyOS 1.2 Crux (VyOS 1.2.9), VyOS 1.3 Equuleus.
syncer moved this task from Need Triage to Finished on the VyOS 1.3 Equuleus (1.3.0-epa1) board.