/etc/logtool/green.d/green is in logtool 1.2.8-10.
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 | # This file takes plain ole POSIX regex's, one per line (just like grep -f)
# There should be NO blank lines in this file.
#
# Examples below
NETGEAR
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