This is not a bug, but intended behaviour:
https://lists.freedesktop.org/archives/systemd-
devel/2019-February/042146.html
** Changed in: udev (Ubuntu)
Status: Confirmed => Invalid
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Due to the nature of the machine and the firewalls in place I will not
be able to run the apport-collect command. The information I have
provided should be enough to discuss the issue
** Package changed: linux (Ubuntu) => udev (Ubuntu)
** Changed in: udev (Ubuntu)
Status: Incomplete => New
