Actually, this looks like it could be the issue: https://bugzilla.kernel.org/show_bug.cgi?id=34172
- Bug#625688: unknown MAC, using family default (after swa... James Ladan
- Bug#625688: unknown MAC, using family default (afte... Miguel Figueiredo
- Bug#625688: unknown MAC, using family default (... James Ladan
- Bug#625688: unknown MAC, using family defau... James Ladan
- Bug#625688: unknown MAC, using family d... Miguel Figueiredo