** HOW TO USE **
./sim-bad-net.sh start #1 #2 #3 #4
#1: delay The amont of delay in ms
#2: delay-variation The delay variation, ms as well
#3: package-loss The amount of package-loss you want to see in %
#4: corruption The amount of corruption you want to see in %
./sim-bad-net.sh stop
** EXAMPLES **
% ./sim-bad-net.sh start 500 100 10 0.5
% ./sim-bad-net.sh stop