Here is output of running an app consistently for a handful of minutes. My first though is that the server looses connectivity to the network due to WiFi issues or something and then it can't gracefully recover, you have to reboot the app to get it working again.
master => ~/GitHub/pizzadash/ npm start
> pizzadash@1.0.0 start /Users/brodyberson/GitHub/pizzadash
> sudo node app.js
node_pcap: EthernetFrame() - Don't know how to decode ethertype 34958
node_pcap: EthernetFrame() - Don't know how to decode ethertype 34958
node_pcap: EthernetFrame() - Don't know how to decode ethertype 34958
node_pcap: EthernetFrame() - Don't know how to decode ethertype 34958
Here is output of running an app consistently for a handful of minutes. My first though is that the server looses connectivity to the network due to WiFi issues or something and then it can't gracefully recover, you have to reboot the app to get it working again.