Should fix issue#19:

(sim) >>> linkinfo notodden-gw2 drammen-gw3
Information for link (notodden-gw2,drammen-gw3):
name           : notodden-drammen
betweenness    : 0.004 (4.75% of max, 38.47% of avg)
capacity       : 10Gbit/s
load           : NA
utilization    : NA

(sim) >>>