[EXBQL] 16:54:00 INFO: New NAT port mapping: external TCP address 71.248.165.187:28357 to local address 0.0.0.0:22000.
Expected result: Syncthing reachable from 71.248.165.187:28357.
Actual result:

Syncthing is unreachable from 71.248.165.187:28357; folders take a very long time to start syncing from outside of the network.
Possibly related: https://github.com/syncthing/syncthing/pull/2980
Syncthing Version: v0.14.19
OS Version: Linux Mint 18.1 64-bit (Ubuntu 16.04)
Router: NETGEAR R6700
Mmhm
That should fix it I hope, thanks for the report!
Great detective work. Thanks for reporting.
Most helpful comment
That should fix it I hope, thanks for the report!