OpenWrt has been rock solid stable for a few months. I've recently switched to a 1 Gbps WAN connection and for the last couple of days the system has been locking up and crashing. This seems to happen a few minutes after reboot.
The netdata application starts to have gaps in the CPU graphs:
Luci becomes unreponsive.
Any ideas how I can troubleshoot this issue and find out what's causing it?