T2516: Exclude veth interfaces from duplex and speed check

[sever-sever]

Change Summary

Exclude interfaces with veth driver from duplex and speed check

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Migration from an old Vyatta component to vyos-1x, please link to related PR inside obsoleted component
• Other (please describe):

Related Task(s)

• https://vyos.dev/T2516

Component(s) name

veth, duplex

Proposed changes

How to test

Deploy VyOS in container and attach veth interface to container
Change any ethernet settings
Before fix

vyos@91800359325b# compare 
[interfaces ethernet eth0]
- description "fof"
+ description "WAN"

[edit]
vyos@91800359325b# 
[edit]
vyos@91800359325b# commit
[ interfaces ethernet eth0 ]
sudo: unable to resolve host 91800359325b: System error
VyOS had an issue completing a command.

We are sorry that you encountered a problem while using VyOS.
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Report time:      2023-03-13 13:30:14
Image version:    VyOS 1.4-rolling-202303120743
Release train:    current

Built by:         autobuild@vyos.net
Built on:         Sun 12 Mar 2023 07:43 UTC
Build UUID:       f0413059-7c5d-4744-a466-367e167102a2
Build commit ID:  fdc0441a77f010

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

Hardware vendor:  QEMU
Hardware model:   Standard PC (Q35 + ICH9, 2009)
Hardware S/N:     
Hardware UUID:    4d6f4d29-1ae8-446f-8d2b-3decd9da64c7

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/interfaces-ethernet.py", line 220, in <module>
    apply(c)
  File "/usr/libexec/vyos/conf_mode/interfaces-ethernet.py", line 209, in apply
    e.update(ethernet)
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/ethernet.py", line 374, in update
    self.set_speed_duplex(speed, duplex)
  File "/usr/lib/python3/dist-packages/vyos/ifconfig/ethernet.py", line 172, in set_speed_duplex
    return 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/util.py", line 161, in cmd
    raise OSError(code, feedback)
OSError: [Errno 75] failed to run command: ethtool --change eth0 autoneg on
returned: 
exit code: 75

noteworthy:
cmd 'ethtool --show-ring eth0'
returned (out):

returned (err):
netlink error: Operation not supported
cmd 'ethtool --show-pause eth0'
returned (out):

returned (err):
netlink error: Operation not supported
cmd 'ethtool --show-ring eth0'
returned (out):

returned (err):
netlink error: Operation not supported
cmd 'ethtool --show-pause eth0'
returned (out):

returned (err):
netlink error: Operation not supported
cmd 'ethtool --change eth0 autoneg on'
returned (out):

returned (err):
netlink error: Operation not supported

[[interfaces ethernet eth0]] failed
Commit failed
[edit]
vyos@91800359325b# 

After fix:

vyos@91800359325b# set interfaces ethernet eth0 address 192.0.2.5/24
[edit]
vyos@91800359325b# commit
[ interfaces ethernet eth0 ]
sudo: unable to resolve host 91800359325b: System error

[edit]
vyos@91800359325b# run show int
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface        IP Address                        S/L  Description
---------        ----------                        ---  -----------
eth0             192.0.2.5/24                      u/u  WAN
lo               127.0.0.1/8                       u/u  
                 ::1/128                                
[edit]
vyos@91800359325b# 

Checklist:

• I have read the CONTRIBUTING document
• I have linked this PR to one or more Phabricator Task(s)
• I have run the components SMOKETESTS if applicable
• My commit headlines contain a valid Task id
• My change requires a change to the documentation
• I have updated the documentation accordingly