How can I use udev to set txqueuelen on a NIC ?

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Issue

How can I use udev to set txqueuelen on a NIC?
How can we set txqueuelen on a NIC in a persistent way?
We need to set a custom txqueuelen on our macvtap NICs
What is the best way to change the txqueuelen and make it persistent?

Environment

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Network interfaces with transmit queues (qdisc and txqueuelen)

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