go version go1.9.2 linux/amd64 git sha of code: 9f306387847fe9ffcef75c90c768880b4b5636c6 Linux hecturchi2 4.4.104-39-default #1 SMP Thu Jan 4 08:11:03 UTC 2018 (7db1912) x86_64 x86_64 x86_64 GNU/Linux built on Mon Feb 12 21:24:57 CET 2018