self.assertRegex(output, '2600::')
self.assertNotRegex(output, '192.168.5')
+ output = check_output('ip addr show dev veth99')
+ print(output)
+ self.assertRegex(output, '2600::')
+ self.assertNotRegex(output, '192.168.5')
+ self.assertNotRegex(output, 'tentative')
+
# Confirm that ipv6 token is not set in the kernel
output = check_output('ip token show dev veth99')
print(output)