dhclient errors cause network to go down

[scopecat]

After upgrading to 26.1.1, I had an issue where connectivity would drop a few hours after my router's boot. I reverted to 25.7. I recently tried again to upgrade to 26.1.2 and encountered the same issue. I looked in the logs and found this section of dhclient that I think is relevant. I've downgraded again to 25.7 and am no longer experiencing this issue. Can anybody help me troubleshoot?

Code Select Expand

2026-02-14T21:01:20 Notice dhclient dhclient-script: Reason PREINIT on vlan01.0.201 executing
2026-02-14T21:01:20 Notice dhclient dhclient-script: Reason EXPIRE on vlan01.0.201 executing
2026-02-14T21:01:07 Error dhclient send_packet: No buffer space available
2026-02-14T21:00:48 Error dhclient send_packet: No buffer space available
(Bigger log attached)

Thanks!