Here is a brute-force way:

use strict;
use warnings;

while (<>) {
    if (/LUN 40/) {
        $_ = <>;
        $_ = <>;
        print;
    }
}

__END__
60:06:01:60:5C:4F:22:00:88:43:D4:39:04:F7:DD:11
[download]

This may also be of interest: UNIX 'command' equivalents in Perl