Errors about incorrect paths: /sys/class/net//statistics/rx_errors

[ketetefid]

1. The applet outputs these into .xsession-errors. It seems that it does not guess the name of the device correctly.
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/rx_errors": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/tx_errors": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/collisions": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/rx_packets": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/tx_packets": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/rx_bytes": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/tx_bytes": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/rx_errors": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/tx_errors": No such file or directory
   glibtop(c=5392): [WARNING] Failed to open "/sys/class/net//statistics/collisions": No such file or directory
2. Show sum of download and upload does not work. It shows one changing entry in B/s only.