switch to Linux-native connect tunnel

(cherry picked from commit 50cf777b870304ee61532b4a78d40eff5fdf7f61
from https://github.com/ariatemplates/hashspace)
print out sauce connect logs only after failure

(cherry picked from commit 613c063b3b485aa3d02ea5b4baf72351cf0b4399
from https://github.com/ariatemplates/hashspace)