gistfile1.txt

E: Failed to fetch http://security.ubuntu.com/ubuntu/dists/yakkety-security/main/source/Sources  404  Not Found
E: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/yakkety/main/source/Sources  404  Not Found
E: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/yakkety-updates/main/source/Sources  404  Not Found
E: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/yakkety-backports/main/source/Sources  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
++functions-common:apt_get_update:1053      die 1053 'Failed to update apt repos, we'\''re dead now'
++functions-common:die:187                  local exitcode=0
++functions-common:die:188                  set +o xtrace
[Call Trace]
./stack.sh:734:source
/home/pcarver/devstack/tools/install_prereqs.sh:72:install_package
/home/pcarver/devstack/functions-common:1278:update_package_repo
/home/pcarver/devstack/functions-common:1259:apt_get_update
/home/pcarver/devstack/functions-common:1053:die
[ERROR] /home/pcarver/devstack/functions-common:1053 Failed to update apt repos, we're dead now
Error on exit
World dumping... see /opt/stack/openstack/logs/worlddump-2018-01-18-180814.txt for details
/bin/sh: 1: brctl: not found