[Q] How to modify MAC address without reboot? topic

I have rooted my Nexus 7. Currently, the only way to change my MAC address is the following:

Code:

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$ echo -n <MAC> > /persist/wifi/.macaddr

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Using busybox ifconfig seems to work because new HWaddr is shown but in fact it doesn't - Settings->About tablet->Status shows old Wi-Fi Mac address. Additionally I cannot connect to AP any more. OpenWRT says:

Quote:

deauthenticated due to local deauth request

I can write a script to automatically write new MAC to /persist/wifi/.macaddr and reboot, no problem, but I would prefer to avoid rebooting.

Kernel version 3.4.0-g03485a6, Android 4.4.4, Nexus 7 2013 Wi-Fi only.