ARP Cache purging docoumentation

in the README.me it mentions "You can also manually reset the cache." -> If there is a reproducible solution, can you please supply the exact command line that will perform this? Is this something that will need to only be run on the host that went through a consul restart, or any other hosts in the cluster? does it need to be run in the docker container networking namespace (e.g using nsenter --net) or simply on the host?
I've been running into this issue and trying the following things on the host doesn't seem to help (either after stopping docker-consul and/or the docker daemon, or while either one of them is still running). only thing that works is waiting a few minutes, but thats not an acceptable solution for my environment atm.

```
ip -s -s neigh flush all
or
nsenter --target ${CONSUL_DOCKER_PID} --net ip -s -s neigh flush all
or
arp -i docker0 -d
```