Fix function parsing the kernel version
Fix function parsing the kernel version

Change-Id: Id56efb476144a18cd9eb7279bc0f602760a86173
Closes-Bug: #1300808
(cherry picked from commit d4fdac7ae596888b8e83d9559019eafb728cd3fe)

sajuptpm/neutron-ipam,sajuptpm/neutron-ipam,sajuptpm/neutron-ipam