Setting up nginx-core (1.9.3-1ubuntu1.1) ...
Job for nginx.service failed because the control process exited with error code. See "systemctl status nginx.service" and "journalctl -xe" for details.
invoke-rc.d: initscript nginx, action "start" failed.
dpkg: error processing package nginx-core (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of nginx:
nginx depends on nginx-core (>= 1.9.3-1ubuntu1.1) | nginx-full (>= 1.9.3-1ubuntu1.1) | nginx-light (>= 1.9.3-1ubuntu1.1) | nginx-extras (>= 1.9.3-1ubuntu1.1); however:
Package nginx-core is not configured yet.
Package nginx-full is not installed.
Package nginx-light is not installed.
Package nginx-extras is not installed.
nginx depends on nginx-core (<< 1.9.3-1ubuntu1.1.1~) | nginx-full (<< 1.9.3-1ubuntu1.1.1~) | nginx-light (<< 1.9.3-1ubuntu1.1.1~) | nginx-extras (<< 1.9.3-1ubuntu1.1.1~); however:
Package nginx-core is not configured yet.
Package nginx-full is not installed.
Package nginx-light is not installed.
Package nginx-extras is not installed.

dpkg: error processing package nginx (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
 nginx-core
 nginx
E: Sub-process /usr/bin/dpkg returned an error code (1)

● nginx.service - A high performance web server and a reverse proxy server
Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2016-02-12 22:08:04 UTC; 3min 19s ago
Process: 1131 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=1/FAILURE)

Feb 12 22:08:04 LXC_NAME systemd[1]: Starting A high performance web server and a reverse proxy server...
Feb 12 22:08:04 LXC_NAME nginx[1131]: nginx: [emerg] ioctl(FIONBIO) 10.25.0.6:57780 failed (25: Inappropriate ioctl for device)
Feb 12 22:08:04 LXC_NAME nginx[1131]: nginx: configuration file /etc/nginx/nginx.conf test failed
Feb 12 22:08:04 LXC_NAME systemd[1]: nginx.service: Control process exited, code=exited status=1
Feb 12 22:08:04 LXC_NAME systemd[1]: Failed to start A high performance web server and a reverse proxy server.
Feb 12 22:08:04 LXC_NAME systemd[1]: nginx.service: Unit entered failed state.
Feb 12 22:08:04 LXC_NAME systemd[1]: nginx.service: Failed with result 'exit-code'.