Почем php-fpm не работает ни через сокеты, ни через tcp?

user ivan ivan;

worker_processes 1;
worker_rlimit_nofile 8192;
worker_priority -5;

pid /run/nginx.pid;

timer_resolution 100ms;

events {
    worker_connections 768;
    use epoll;
    # multi_accept on;
}

http {
    ##
    # Basic Settings
    ##

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    charset utf-8;

    ##
    # Logging Settings
    ##

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    ##
    # Gzip Settings
    ##

    gzip on;
    gzip_disable "msie6";

    # gzip_vary on;
    # gzip_proxied any;
    # gzip_comp_level 6;
    # gzip_buffers 16 8k;
    # gzip_http_version 1.1;
    # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    ##
    # nginx-naxsi config
    ##
    # Uncomment it if you installed nginx-naxsi
    ##

    #include /etc/nginx/naxsi_core.rules;

    ##
    # nginx-passenger config
    ##
    # Uncomment it if you installed nginx-passenger
    ##
    
    #passenger_root /usr;
    #passenger_ruby /usr/bin/ruby;

    ##
    # Virtual Host Configs
    ##
    
    server {
        listen 80 default_server;
        server_name 127.0.0.1;
        #access_log off;
        log_not_found off;
        return 403;
    }
    

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites/*;
}

#mail {
#    # See sample authentication script at:
#    # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
# 
#    # auth_http localhost/auth.php;
#    # pop3_capabilities "TOP" "USER";
#    # imap_capabilities "IMAP4rev1" "UIDPLUS";
# 
#    server {
#        listen     localhost:110;
#        protocol   pop3;
#        proxy      on;
#    }
# 
#    server {
#        listen     localhost:143;
#        protocol   imap;
#        proxy      on;
#    }
#}

server {
    listen 80;
    
    server_name test.dev;
    root /home/ivan/sites/test/web;
    
    location / {
        # try to serve file directly, fallback to app_prod.php
        try_files $uri /app_prod.php$args;
    }
    
    # DEV
    # This rule should only be placed on your development environment
    # In production, don't include this and don't deploy app_dev.php or config.php
    location ~ ^/(app_dev|app_test|config|_intellij_phpdebug_validator)\.php(/|$) {
        fastcgi_pass unix:/var/run/php5-fpm/test.sock;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        fastcgi_read_timeout 100m;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param HTTPS off;
    }
    
    # PROD
    location ~ ^/app_prod\.php(/|$) {
        fastcgi_pass unix:/var/run/php5-fpm/test.sock;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param HTTPS off;
        # Prevents URIs that include the front controller. This will 404:
        # http://test.dev/app_prod.php/some-path
        # Remove the internal directive to allow URIs like this
        internal;
    }
    
    location ~* \.(?:jp?g|gif|png|ico|svg|css|js|swf|zip|tar|tgz|gz|rar|bz2|doc|docx|xls|xlsx|ppt|pptx|exe|msi|txt|mp3|mp4|mkv|mpg|mov|fla|eot|otf|ttf|woff)$ {
        expires max;
        access_log off;
        log_not_found on;
        try_files $uri =404;
    }
    
    error_log /home/ivan/sites/test/app/logs/nginx_error.log;
    access_log /home/ivan/sites/test/app/logs/nginx_access.log;
}