fabio: Bug in consul 1.4.3

Hi Frank how are you 😃 long time… 😉

Fabio: 1.5.11 with Consul: 1.4.2 - Fabio works all fine but Consul: 1.4.3 - Fabio does not update routes or even loose routes randomly

registering 4 services:

2019/03/09 10:36:17 [INFO] Config updates
+ route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31226/
2019/03/09 10:36:22 [INFO] Config updates
+ route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31767/
2019/03/09 10:36:22 [INFO] Config updates
+ route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31788/
2019/03/09 10:36:24 [INFO] Config updates
+ route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31508/

deregistering 3 services, fabio removes 4

2019/03/09 10:36:45 [INFO] Config updates
- route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31226/
2019/03/09 10:36:45 [INFO] Config updates
- route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31788/
- route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31767/
- route add python-smooth python-smooth.service.consul/ http://192.168.99.100:31508/