# you can disable an alarm notification by setting the 'to' line to: silent

# check for common /proc/net/softnet_stat errors

      alarm: 1min_netdev_backlog_exceeded
         on: system.softnet_stat
      class: Errors
       type: System
  component: Network
host labels: _os=linux
     lookup: average -1m unaligned absolute of dropped
      units: packets
      every: 10s
       warn: $this > (($status >= $WARNING) ? (0) : (10))
      delay: down 1h multiplier 1.5 max 2h
    summary: System netdev dropped packets
       info: Average number of dropped packets in the last minute \
             due to exceeded net.core.netdev_max_backlog
         to: silent

      alarm: 1min_netdev_budget_ran_outs
         on: system.softnet_stat
      class: Errors
       type: System
  component: Network
host labels: _os=linux
     lookup: average -1m unaligned absolute of squeezed
      units: events
      every: 10s
       warn: $this > (($status >= $WARNING) ? (0) : (10))
      delay: down 1h multiplier 1.5 max 2h
    summary: System netdev budget run outs
       info: Average number of times ksoftirq ran out of sysctl net.core.netdev_budget or \
             net.core.netdev_budget_usecs with work remaining over the last minute \
             (this can be a cause for dropped packets)
         to: silent

      alarm: 10min_netisr_backlog_exceeded
         on: system.softnet_stat
      class: Errors
       type: System
  component: Network
host labels: _os=freebsd
     lookup: average -1m unaligned absolute of qdrops
      units: packets
      every: 10s
       warn: $this > (($status >= $WARNING) ? (0) : (10))
      delay: down 1h multiplier 1.5 max 2h
    summary: System netisr drops
       info: Average number of drops in the last minute \
             due to exceeded sysctl net.route.netisr_maxqlen \
             (this can be a cause for dropped packets)
         to: silent
