Failure starting bench

hello im getting this error when trying to start bench
13:35:30 system | workerbeat.1 started (pid=3448)
13:35:30 system | web.1 started (pid=3449)
13:35:30 system | redis_cache.1 started (pid=3447)
13:35:30 redis_cache.1 | [3452] 22 Jun 13:35:30.738 # Unable to set the max number of files limit to 10032 (Operation not permitted), setting the max clients configuration to 3984.
13:35:30 redis_cache.1 | [3452] 22 Jun 13:35:30.738 # Creating Server TCP listening socket *:11311: bind: Address already in use
13:35:30 system | worker.1 started (pid=3446)
13:35:30 system | redis_cache.1 stopped (rc=1)
13:35:30 system | sending SIGTERM to worker.1 (pid 3446)
13:35:30 system | sending SIGTERM to web.1 (pid 3449)
13:35:30 system | sending SIGTERM to workerbeat.1 (pid 3448)
13:35:30 system | web.1 stopped (rc=-15)
13:35:30 system | worker.1 stopped (rc=-15)
13:35:30 system | workerbeat.1 stopped (rc=-15)

when i input curl -I http://localhost:8000 i get

HTTP/1.1 404 NOT FOUND
Server: gunicorn/19.3.0
Date: Mon, 22 Jun 2015 10:38:16 GMT
Connection: close
Content-Type: text/html
Content-Length: 233

however erpnext launched when i used http://localhost:80 in browser

Please read the log and use Google first.

Have you solved it? Can you advice?