QA:Testcase lksctp tools

Description

lksctp_tools include several tools to test sctp, this case test basic functions for it, check if it can send and receive sctp packets successfully

How to test

1. run command withsctp and check if any error happens
2. run command checksctp and check if any error happens
3. test sctp_test

   run "sctp_test -H localhost -P 10010 -l" in one terminal A
   run "sctp_test -H localhost -P 10011 -h localhost -p 10010 -s -c 1" in another terminal
   check output in terminal A, result should be like: (assoc_change: state=3, error=0, instr=0 outstr=0)
   exit command in terminal A

4. test sctp_status

   run "sctp_status  -H localhost -P 10010 -l" in terminal A
   run "sctp_status  -H localhost -P 10011 -h localhost -p 10010 -s -c 64" in terminal B
   check output in terminal A, result should be like: "Server: Receiving packets.(10/10)"
   exit command in terminal A

Expected Results

1. The testcase should pass without any error or crash