Alright, we've filed a ticket and the ticket was responded to by resetting their network. Hopefully this fixes most of the downtime issues. Please post here if the mumble goes down again after this post.
Sent in like another three tickets. They said they "fixed" something on their end. If it doesn't work, we'll be transferred to another node again. Hopefully another transfer, should it be necessary, will actually fix it.
"It appears your service was already migrated due to being locked up on another node, this is likely causing a conflict. I have saved your IPs once again after disabling routing on your old node, please let us know if you still experience any issues."