Hey folks, same problem here. Here's my solution; it usually resolves the issue within ~30 seconds without a need for a reboot.
1) Once you confirm Eddie isn't responding (app won't come on screen), force-close it (Apple at top left -> force quit -> Eddie)
2) Bring up Terminal.
3) First, check if there are any instances of Eddie still running after the force-quit by typing `ps aux | grep airvpn`. Note: background instances of Eddie are what, at least for me, have resulted in multiple shadow connections to AirVPN running, and killing them fixes it.
3.1) If any are running (besides the grep command you just ran), kill it. Find the PID (it's a 1-5 digit number) and type `kill PID` where PID is that number, e.g. `kill 20132`
3.2) Check `ps aux | grep airvpn` again; it may take a few seconds for it to fully quit. If it refuses to quit even after 10 seconds, type `kill -9 PID`. This should force it to quit.
4) Type these commands: `sudo route -n flush`, then `sudo ifconfig en0 down`, then `sudo ifconfig en0 up`. You will need to know your laptop's admin password for this, as sudo will ask for it.
4.1) Note: these assume that en0 is your active wifi interface. You should notice your wifi drops at `down` and resumes at `up`. If not, type `ifconfig` and see which interface lists a status of `active`.
5) Reload Eddie, try connecting again. Post your results here
Note: I've made aliases in console for a few of these. I have `pgrep` aliased to `ps aux | grep airvpn`, and `aflush` aliased to `sudo route -n flush;sudo ifconfig en0 down;sudo ifconfig en0 up`. Saves a lot of time on something that I'm forced to do multiple times per day. You can create permanent aliases by modifying your `~/.bash_profile` file; I'd look up instructions online if you're not familiar.
All of this is a rough hack for the real issue, of course, which is that Eddie deals hideously poorly with sleep mode on OSX. This is very close to a deal-breaker for me: on my Windows PC, it works great, but most of my work is done on my Mac these days.