Wan (4136): Command failed: ubus call network.interface notify_proto (Permission denied)

  • Model: cudy tr3000
  • openwrt 25.12.4
  • error

daemon.notice netifd: wan (4136): Command failed: ubus call network.interface notify_proto { "action": 0, "link-up": false, "keep": false, "interface": "wan" } (Permission denied)

wan stops getting an IP and router goes offline. I saw some other poster reporting the same issue since 2026 but it seems this issue has not been fixed.

Possible solution which I'm still investigating is disabling wan6 (by deleting it from /etc/config/network