Enterprise build for Ubuntu 13 does not have the proper SNMP library

sudo apt-get install -y mongodb-enterprise-unstable-server
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
mongodb-enterprise-unstable-server : Depends: libsnmp15 but it is not installable
E: Unable to correct problems, you have held broken packages.