Not sure how related this is to #357, but I get this error and bloom doesn't seem to proceed.
csm-release$ git-bloom-config new kinetic
Current git repository has multiple remotes. If you are running bloom-release, please change directories.
csm-release$ git remote -vv
130s git@github.com:130s/csm-release.git (fetch)
130s git@github.com:130s/csm-release.git (push)
origin git@github.com:tork-a/csm-release.git (fetch)
origin git@github.com:tork-a/csm-release.git (push)
csm-release$ bloom-release --version
0.5.21
Removing either remote works around the issue for me.