Not able to run docker-engine on cent os

I am not able to run docker-engine using docker binary on my centos machine. Machine details are as follows:

[root@Cent docker]# uname -a
Linux Cent 2.6.32-642.15.1.el6.x86_64 #1 SMP Fri Feb 24 14:31:22 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

[root@Cent docker]# cat /etc/centos-release
CentOS release 6.8 (Final)


[root@Cent docker]# ./dockerd
WARN[2018-02-17T03:53:30.041821282Z] could not change group /var/run/docker.sock to docker: group docker not found
INFO[2018-02-17T03:53:30.042470103Z] libcontainerd: started new docker-containerd process pid=15129
INFO[0000] starting containerd module=containerd revision=89623f28b87a6004d4b785663257362d1658a729 version=v1.0.0
INFO[0000] setting subreaper… module=containerd
containerd: invalid argument
ERRO[2018-02-17T03:53:30.063391700Z] containerd did not exit successfully error=“exit status 1” module=libcontainerd
Failed to connect to containerd: failed to dial “/var/run/docker/containerd/docker-containerd.sock”: dial unix:///var/run/docker/containerd/docker-containerd.sock: timeout

Please help