smoketest: T7033: nat source group test should use an existing interface

[c-po]

Change summary

Fix error as bond.99 interface is invalid

DEBUG - ======================================================================
DEBUG - ERROR: test_snat_groups (__main__.TestNAT.test_snat_groups)
DEBUG - ----------------------------------------------------------------------
DEBUG - Traceback (most recent call last):
DEBUG -   File "/usr/libexec/vyos/tests/smoke/cli/test_nat.py", line 90, in test_snat_groups
DEBUG -     self.cli_set(['firewall', 'group', 'interface-group', interface_group, 'interface', interface_group_member])
DEBUG -   File "/usr/libexec/vyos/tests/smoke/cli/base_vyostest_shim.py", line 81, in cli_set
DEBUG -     self._session.set(config)
DEBUG -   File "/usr/lib/python3/dist-packages/vyos/configsession.py", line 212, in set
DEBUG -     self.__run_command([SET] + path + value)
DEBUG -   File "/usr/lib/python3/dist-packages/vyos/configsession.py", line 201, in __run_command
DEBUG -     raise ConfigSessionError(output)
DEBUG - vyos.configsession.ConfigSessionError: Incorrect path /sys/class/net/bond.99: no such file or directory
DEBUG - 
DEBUG - 
DEBUG - Invalid value

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/T7033

Related PR(s)

How to test / Smoketest result

vyos@vyos:~$ /usr/libexec/vyos/tests/smoke/cli/test_nat.py
test_dnat (__main__.TestNAT.test_dnat) ... ok
test_dnat_negated_addresses (__main__.TestNAT.test_dnat_negated_addresses) ... ok
test_dnat_redirect (__main__.TestNAT.test_dnat_redirect) ... ok
test_dnat_without_translation_address (__main__.TestNAT.test_dnat_without_translation_address) ... ok
test_nat_balance (__main__.TestNAT.test_nat_balance) ... ok
test_nat_fqdn (__main__.TestNAT.test_nat_fqdn) ... ok
test_nat_no_rules (__main__.TestNAT.test_nat_no_rules) ... ok
test_snat (__main__.TestNAT.test_snat) ... ok
test_snat_groups (__main__.TestNAT.test_snat_groups) ... ok
test_snat_net_port_map (__main__.TestNAT.test_snat_net_port_map) ... ok
test_snat_required_translation_address (__main__.TestNAT.test_snat_required_translation_address) ... ok
test_static_nat (__main__.TestNAT.test_static_nat) ... ok

----------------------------------------------------------------------
Ran 12 tests in 19.429s

OK

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

[github-actions]

👍
No issues in PR Title / Commit Title

[github-actions]

CI integration 👍 passed!

Details

CI logs

• CLI Smoketests (no interfaces) 👍 passed
• CLI Smoketests (interfaces only) 👍 passed
• Config tests 👍 passed
• RAID1 tests 👍 passed
• TPM tests 👍 passed