bookmark.ini

[uwsgi]
project = bookmark
base = /home/vagrant/Code

chdir = %(base)/%(project)

home = %(base)/Env/%(project)
module = %(project).wsgi:application

master = true
processes = 5

socket = %(base)/%(project)/%(project).sock
chmod-socket = 664
vaccum = true

socket

vagrant@homestead:~$ sudo uwsgi --ini /etc/uwsgi/sites/bookmark.ini

[uWSGI] getting INI configuration from /etc/uwsgi/sites/bookmark.ini
*** Starting uWSGI 2.0.11 (64bit) on [Sat Jul 18 16:33:23 2015] ***
compiled with version: 4.8.4 on 18 July 2015 13:46:23
os: Linux-3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014
nodename: homestead
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 1
current working directory: /home/vagrant
detected binary path: /usr/local/bin/uwsgi
uWSGI running as root, you can use --uid/--gid/--chroot options
*** WARNING: you are running uWSGI as root !!! (use the --uid flag) ***
chdir() to /home/vagrant/Code/bookmark
your processes number limit is 15806
your memory page size is 4096 bytes
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
thunder lock: disabled (you can enable it with --thunder-lock)
bind(): Operation not permitted [core/socket.c line 230]

uwsgi.conf

description "uWSGI application server in Emperor mode"

start on runlevel [2345]
stop on runlevel [!2345]

setuid vagrant
setgid www-data

exec /usr/local/bin/uwsgi --emperor /etc/uwsgi/sites

Did you ever figure this out?