go version go1.9.2 linux/amd64 git sha of code: 91b3763869820877461ee17147d519806c87f663 Linux hecturchi2 4.4.92-31-default #1 SMP Sun Oct 22 06:56:24 UTC 2017 (1d80e8a) x86_64 x86_64 x86_64 GNU/Linux built on Mon Dec 11 14:22:41 CET 2017