$ sudo apt-get update
$ sudo apt-get install openvswitch-common 

openvswitch-common is installed in your system.

Make ensure the openvswitch-common package were installed using the commands given below,

$ sudo dpkg-query -l | grep openvswitch-common *

You will get with openvswitch-common package name, version, architecture and description in a table

openvswitch-common package basic information: