Don't return a failure if we try to delete a qdisc handle that doesn't exist #147
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…t exist Before: ``` $ tcdel veth1 --all && echo $? [WARNING] command='/sbin/tc qdisc del dev veth1 root', returncode=2, stderr='Error: Cannot delete qdisc with handle of zero.\n' [WARNING] no qdisc to delete for the incoming device. 1 ``` After: ``` $ tcdel veth1 --all && echo $? [WARNING] command='/sbin/tc qdisc del dev veth1 root', returncode=2, stderr='Error: Cannot delete qdisc with handle of zero.\n' [WARNING] no qdisc to delete for the incoming device. 0 ```
thombashi
approved these changes
Jul 24, 2020
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