Added details about how tc is located #1
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Some docker images are so minimal, they don't even ship with
which
. Since netem checks for the presencs oftc
by usingwhich
regarding any exit code other than 0 as indication thattc
does not exist, pumba will incorrectly reporttc
as missing even though it may be installed.The readme now contains an explanation of how exactly this lookup process is done to save future users some confusion.