airbase-ng consistently stops broadcasting after ~7min

I've got a Kali2.0 VM set up with the newest (as of this post) update of aircrack-ng.
Using an ALFA AWUS063H with a ALFA APA-M04 7dBi pannel antenna (haven't tried using the default, but I really don't think that's my issue here).

I've got a script tha...