Deco BE11000 V2.6 on 1.2.10 — Node crashing with iptables errors and user.emerg in logs (twice today)

Device: Deco BE11000 V2.6 (3-pack, Costco)
Firmware: 1.2.10 Build 20251229 REL.42008
Setup: Wired MoCA coax backhaul, 3 nodes
ISP: ~310 Mbps down / 110 Mbps up

---

Twice today my Bedroom node went offline and required a manual reboot to recover. The node is wired via MoCA coax backhaul — not wireless — so this is not a signal or backhaul issue.

I exported the system log during the second crash and found the following errors repeating:

• daemon.err client_mgmt: Failed to ubus invoke
• user.err: Error: ssh_channel_read_timeout reached an end
• daemon.err uhttpd: iptables: No chain/target/match by that name
• daemon.err uhttpd: Couldn't load target 'domain_login_rule': No such file or directory
• user.emerg (highest severity system event)

The 2.4 GHz radio on the affected node (ath02, channel 10) appears stuck in a continuous inspection loop, and the iptables firewall rules are failing to load — specifically the domain_login_rule chain. The user.emerg event is the most concerning as this is the highest severity log level.

The node had been stable for a long time prior to today. Both crashes occurred within a few hours of each other. After each reboot it recovered fine.

I have confirmed:
• All three nodes are on the same firmware version (1.2.10 Build 20251229)
• Wired backhaul is intact and functioning (throuhg Moca Coax)
• No recent hardware or network changes

I am aware of the NAT Loopback beta fix (1.2.10 Build 20260212). The iptables errors in my log appear related to the same underlying firewall rule handling, so I may try that patch if crashes continue.

Has anyone else seen these specific log errors on 1.2.10? Is this addressed in the 1.3.0 official release? Any guidance appreciated.