$ sudo apt-get update
$ sudo apt-get install libibverbs1 

libibverbs1 is installed in your system.

Make ensure the libibverbs1 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libibverbs1 *

You will get with libibverbs1 package name, version, architecture and description in a table

libibverbs1 package basic information: