How to clear an interrupt flag on DUE

I've read many threads in this forum about random interrupts at the launch of a program when using Digital Pins With Interrupts, e.g.:

attachInterrupt(digitalPinToInterrupt(interruptPin), blink, CHANGE);

It seems it's a big problem with some Arduino boards - no matter what I do, I always get 1-2 interrupts when starting a program.

Normally on UNO and some other boards you would remove an interrupt flag like that:

 EIFR = (1 << INTF0); // clear INT0 interrupt flag

But it does not work on DUE.
How to remove the flag here?

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