
And don't return a comma-separated string. That's kinda weird signature-wise, and not needed by half the callers anyway. The callers that care can do the join themselves. Updates #cleanup Change-Id: Ib5ad51a3c6b663d868eba14fe9dc54b2609cfb0d Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>