过滤strace2 目录日志，抓取监听在localhost:5001socket对应的文件描述符。
shengjie@ubuntu:~/coding/dotnet/Io.Demo$ grep 'bind' strace2/ -rn strace2/io.2449:2243:bind(11, {sa_family=AF_UNIX, sun_path="/tmp/dotnet-diagnostic-2449-23147-socket"}, 110) = 0 strace2/io.2449:2950:bind(29, {sa_family=AF_INET, sin_port=htons(5001), sin_addr=inet_addr("127.0.0.1")}, 16) = 0 strace2/io.2365:4568:bind(10, {sa_family=AF_UNIX, sun_path="/tmp/dotnet-diagnostic-2365-19043-socket"}, 110) = 0 strace2/io.2420:4634:bind(11, {sa_family=AF_UNIX, sun_path="/tmp/dotnet-diagnostic-2420-22262-socket"}, 110) = 0 strace2/io.2402:4569:bind(10, {sa_family=AF_UNIX, sun_path="/tmp/dotnet-diagnostic-2402-22042-socket"}, 110) = 0