Debugging udev question

[Christopher Piggott <cpiggott@xxxxxxxxx>]

I have another question.

Here is a test script I wrote to help debug my problem;

    ACTION!="add", GOTO="vzwusb_end"

    ATTRS{product}=="*Novatel*", RUN+="/usr/bin/logger IT IS A NOVATEL"
    ATTRS{product}!="*Novatel*", GOTO="vzwusb_end1"

    DRIVERS=="option1", RUN+="/usr/bin/logger DRIVER IS OPTION1"
    DRIVERS!="option1", GOTO="vzwusb_end2"

    ATTRS{port_number}=="0", RUN+="/usr/bin/logger IT IS PORT ZERO"
    ATTRS{port_number}!="0", GOTO="vzwusb_end3"

    KERNEL=="ttyUSB[0-9]*", RUN+="/usr/bin/logger IT IS A TTY"
    KERNEL!="ttyUSB[0-9]*", GOTO="vzwusb_end4"

    GOTO="vzwusb_success"

    LABEL="vzwusb_end1"
    RUN+="/usr/bin/logger end1"
    GOTO=vzwusb_end

    LABEL="vzwusb_end2"
    RUN+="/usr/bin/logger end2"
    GOTO=vzwusb_end

    LABEL="vzwusb_end3"
    RUN+="/usr/bin/logger end3"
    GOTO=vzwusb_end

    LABEL="vzwusb_end4"
    RUN+="/usr/bin/logger end4"
    GOTO=vzwusb_end

    LABEL="vzwusb_success"
    RUN+="/usr/bin/logger SUCCESS"

    LABEL="vzwusb_end"
    RUN+="/usr/bin/logger END OF SCRIPT"



The output I get is (relevant part only)

    udevadm_test: run: '/usr/bin/logger IT IS A NOVATEL'
    udevadm_test: run: '/usr/bin/logger end1'
    udevadm_test: run: '/usr/bin/logger END OF SCRIPT'



Tracing through what it did, it said IT IS A NOVATEL so it should have
gone on to the next option.  Instead, the next rule (which says != but
with the same condtion) also fires, and sends us to end1.  It's the
exact same condition ... one says if product == "*Novatel*" that it
should run the command, the next line says that if it is NOT
"*Novatel*" that it should jump to end1.  So it's as if both of these
conditions evaluate to true?  Does that make any sense?
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