Comment 44 for bug 1759920

FYI: These are the signatures for my three systems.

Failing for these on 17.10 (4.13.0-37-generic):
    signature 0x000306c3 (and for 4.13.0-38-generic)
    signature 0x000206a7

OK for this on 18.04beta (4.15.0-13-generic):
    signature 0x000306d4