Hue bridge not found anymore?

My hues recently stopped working. Checking the log all I can see mentioning hue is this:

2016-02-26 20:30:39.414 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:30:39.870 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:30:39.952 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:30:54.571 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:31:09.411 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:31:24.503 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:31:39.403 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:31:54.480 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.
2016-02-26 20:32:09.721 [WARN ] [inding.hue.internal.HueBinding] - Hue binding skipped command because no Hue bridge is connected.

I’m using openhab version 1.8, and the hue binding version is 1.8.1

How do I force it to re-pair?

It looks like a few restarts fixed this issue