File	Line Coverage			Functions
tcp_proxy.cc	98.9%	98.9%	1105 / 1117	98.9%	88 / 89
tcp_proxy.h	93.6%	93.6%	219 / 234	92.5%	111 / 120
upstream.cc	94.2%	94.2%	421 / 447	94.7%	54 / 57
upstream.h	93.8%	93.8%	122 / 130	80.8%	42 / 52