Existing jailbreakers can install TaiG 8.0-8.1.1 Untether package from Cydia store to fix the issue. The update is available via TaiG team’s repo, so you need to add the following source: http://apt.taig.com. After adding the repo, you can install the TaiG 8.0-8.1.1 Untether package from it.
They have been quite proactive in releasing updates to fix bugs reported by users. They also recently launched English versions of their jailbreak and website, and also published a detailed FAQ where they’ve talked about iOS 8.1.1 jailbreak for Mac, iOS 8.2 support, cooperation with Pangu Team and more.