/etc/rsyslog.d/90-google.conf is in gce-compute-image-packages 20180129+dfsg1-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | # Google Compute Engine default console logging.
#
# daemon: logging from Google provided daemons.
# kern: logging information in case of an unexpected crash during boot.
#
daemon,kern.* /dev/console
|