QQ cloud-----------------------
[1] 10095
root@VM-73-50-ubuntu:~# bish-bosh: INFO: Using backend 'ncDebianOpenBSD' (on path '/bin/nc') with port '1883'
bish-bosh: INFO: Using stdbuf (stdbuf) with od (od)
bish-bosh: INFO: Writing CONNECT
bish-bosh: NOTICE: Terminate bish-bosh with  kill 10095
Connection to 119.29.228.213 1883 port [tcp/*] succeeded!
bish-bosh: INFO: Received valid CONNACK

bish-bosh: INFO: processLoop terminating because of signal
bish-bosh: INFO: Writing DISCONNECT
/www/web/default/bish-bosh/lib/shellfire/bishbosh/connection/write/DISCONNECT.functions: line 8: printf: write error: Broken pipe
bish-bosh: WARN: Could not write DISCONNECT, probably because the network connection has already died (often due to nc handling SIGINT / Ctrl-C to a process group too quickly)

84------------------------------
[1] 1830
[root@ksoffice ~]# bish-bosh: INFO: Using backend 'socat' (on path '/usr/bin/socat') with port '1883'
bish-bosh: INFO: Using stdbuf (stdbuf) with od (od)
2017/08/27 20:19:34 bish-bosh[2198] N reading from and writing to stdio
2017/08/27 20:19:34 bish-bosh[2198] N opening connection to AF=2 61.220.188.84:1883
2017/08/27 20:19:34 bish-bosh[2198] N starting data transfer loop with FDs [0,1] and [3,3]
bish-bosh: INFO: Writing CONNECT
bish-bosh: NOTICE: Terminate bish-bosh with  kill 1830
bish-bosh: INFO: Received valid CONNACK