Add limit to amount of allocated connections
This adds support for the -x option which limits the amount of space
allocated for connections on systems
with very high open file limits.
Signed-off-by: 
Lorenz Brun <lorenz@brun.one>
This adds support for the -x option which limits the amount of space
allocated for connections on systems
with very high open file limits.
Signed-off-by: Lorenz Brun <lorenz@brun.one>