Just had this error in 20.04.
But may be related to this already reported:
[Bug 1866838] [NEW] ippusbxd crashed with SIGSEGV in usb_conn_acquire()
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: cups (Ubuntu)
Status: New => Confirmed
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Title:
dbus
** Information type changed from Private to Public
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Title:
dbus crashed with SIGABRT in _dbus_abort()
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