Empty this file and after that run chattr +i /etc/udev/rules.d/70-persistent-net.rules
to immunize.This will prevent udev to overwrite file on system startup.
/etc/udev/rules.d/70-persistent-net.rules
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Empty this file and after that run chattr +i /etc/udev/rules.d/70-persistent-net.rules
to immunize.This will prevent udev to overwrite file on system startup.