Bug fix for 'ValueError: field 6 out of range (need a 48-bit value)'

[derekbekoe]

Closes #5184

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[promptws]

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[derekbekoe]

uuid1 is preferred since that uses the device MAC address but since that can raise a ValueError, we'll fallback to uuid4 which is just a random UUID.

Also, they both give the same format so there'll be no noticeable difference:

$ python
>>> import uuid
>>> uuid.uuid1()
UUID('49abe71e-17fe-11e8-8731-6a0000ab8250')
>>> uuid.uuid4()
UUID('5229405e-6207-4fa8-a36e-98df6e9cf527')
>>> 

https://docs.python.org/3/library/uuid.html#uuid.uuid1
https://stackoverflow.com/questions/1785503/when-should-i-use-uuid-uuid1-vs-uuid-uuid4-in-python