sudo apt-get install libwrap0 libwrap0-dev
sudo apt-get install libevent-2.0-5
sudo apt-get install libevent-core-2.0-5
sudo apt-get install libevent-extra-2.0-5
sudo apt-get install libevent-pthreads-2.0-5
sudo apt-get install libevent-openssl-2.0-5
libevent-openssl-2.0-5 : Depends: libevent-core-2.0-5 (= 2.0.21-stable-2) but 2.0.21-stable-2ubuntu0.16.04.1 is to be installed
apt-cache policy dpkg
