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Maniphest T6972

dhcp: smoketests fail as IP address is not removed in time
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Description

From time to time integration tests fail as the DHCP assigned IP address is not removed in time then dhclient stops.

DEBUG - ======================================================================
DEBUG - FAIL: test_dhcp_vrf (__main__.EthernetInterfaceTest.test_dhcp_vrf)
DEBUG - ----------------------------------------------------------------------
DEBUG - Traceback (most recent call last):
DEBUG -   File "/usr/libexec/vyos/tests/smoke/cli/test_interfaces_ethernet.py", line 72, in tearDown
DEBUG -     self.assertNotIn(AF_INET, ifaddresses(interface))
DEBUG - AssertionError: 2 unexpectedly found in {17: [{'addr': '52:54:00:00:00:00', 'broadcast': 'ff:ff:ff:ff:ff:ff'}], 2: [{'addr': '192.0.2.103', 'netmask': '255.255.255.0', 'broadcast': '192.0.2.255'}], 10: [{'addr': 'fe80::5054:ff:fe00:0%eth0', 'netmask': 'ffff:ffff:ffff:ffff::/64'}]}

Add an explicit path cleaning dynamic assigned addresses from interface when disabling DHCP - if any is remaining

Details

Version
1.5-integration-202412211415
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

Related Objects

Event Timeline

c-po created this task.Dec 21 2024, 10:27 PM
c-po changed the task status from Open to In progress.
c-po claimed this task.
c-po triaged this task as Normal priority.
c-po added a comment.Dec 21 2024, 10:36 PM

https://github.com/vyos/vyos-1x/pull/4250

pasik subscribed.Dec 22 2024, 9:47 AM
c-po added a project: VyOS Rolling.Dec 22 2024, 3:38 PM
c-po mentioned this in rVYOSONEX1c53bf748375: ifconfig: T6972: smoketests fail as IP address is not removed in time.Dec 22 2024, 3:38 PM
Restricted Repository Identity mentioned this in rVYOSONEX6acd9fb85e38: Merge pull request #4250 from c-po/dhclient-T6972.Dec 22 2024, 3:38 PM
c-po moved this task from Need Triage to Completed on the VyOS Rolling board.Dec 22 2024, 3:38 PM
c-po closed this task as Resolved.Dec 24 2024, 1:09 PM
c-po moved this task from Open to Finished on the VyOS 1.5 Circinus board.
yzguy mentioned this in T7016: Unable to remove DHCP client from interface when dynamic IPv6 address is configured.Jan 5 2025, 3:06 AM
dmbaturin added a project: VyOS 1.4 Sagitta (1.4.3).Jul 15 2025, 11:40 AM
dmbaturin changed Is it a breaking change? from Unspecified (possibly destroys the router) to Perfectly compatible.
dmbaturin moved this task from Backlog to Finished on the VyOS 1.4 Sagitta (1.4.3) board.
dmbaturin mentioned this in 1.4.3.Jul 17 2025, 8:18 AM