Kernel softnet dropping packets
/proc/net/softnet_stat reports kernel input-queue drops at sustained rate (>1 pkt/s). The NET_RX softirq backlog is filling faster than the kernel can process; packets are being silently discarded. Often correlated with conntrack pressure or CPU pressure.
Remediation
When this rule fires on one of your servers, the dashboard alert detail page renders the full remediation guidance: the command to run, what to verify after, and Furnace's annotation for your specific distro + hardware. Sign in at app.glassmkr.com to see the live alert.