'Sysctl entries return an underscore separated key and 0+ values.'

def testParseSysctl(self):

    content = '\n                        kernel.printk    =    3                            4                            1                            3\n                        net.ipv4.ip_forward    =    0\n                '
    parser = linux_sysctl_parser.SysctlCmdParser()
    results = parser.Parse('/sbin/sysctl', ['-a'], content, '', 0, 5, None)
    self.assertEqual(1, len(results))
    self.assertTrue(isinstance(results[0], rdf_protodict.AttributedDict))
    self.assertEqual('0', results[0].net_ipv4_ip_forward)
    self.assertEqual(['3', '4', '1', '3'], results[0].kernel_printk)
