Fix ps output on lucid

Non-standard uts for running kernel:
release Linux version 3.10-2-amd64 (debian-kernel@lists.debian.org) (gcc version 4.7.3 (Debian 4.7.3-6) ) #1 SMP Debian 3.10.7-1 (2013-08-17)
=3.10.0 gives version code 199168
  PID  PPID COMMAND
...