I'm not 100% sure this is a viscosity problem, but figured it was related.

I'm trying `scutil --set HostName blahblah` while my Viscosity VPN is connected. Immediately after doing this, my computer stops resolving DNS for a few minutes. It immediately resumes working if I disconnect Viscosity, and eventually resumes working even if I don't, but I'd like to understand why it happens at all. Is this unique to me, my VPN set up, or is it something else?