debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: ssh_connect: needpriv0
debug1: Connecting to 172.29.236.100 [172.29.236.100] port 22.
debug1: connect to address 172.29.236.100 port 22: Connection refused
ssh: connect to host 172.29.236.100 port 22: Connection refused