Revert expnential backoff on send fail
Revert expnential backoff on send fail

This reverts commit 6d718e8052a28fd633b6a4e65afaa4ac3734b751.
We would prefer the program quit on error rather than wait

zhangwei1984/adv-net-samples,gwAdvNet2015/adv-net-samples,twood02/adv-net-samples,gwAdvNet2015/adv-net-samples,twood02/adv-net-samples,gwAdvNet2015/adv-net-samples,twood02/adv-net-samples,gwAdvNet2015/adv-net-samples,twood02/adv-net-samples,zhangwei1984/adv-net-samples,zhangwei1984/adv-net-samples,zhangwei1984/adv-net-samples,gwAdvNet2015/adv-net-samples,twood02/adv-net-samples,twood02/adv-net-samples,gwAdvNet2015/adv-net-samples