How to change MTU for docker network macvlan driver

Hello, I can change MTU for docker network via “-o com.docker.network.mtu=1450” for bridge and overlay drivers but I cannot for macvlan driver

is this expected? does it have some other option to change MTU? if so, what is it?

I am running Server Version: 18.03.1-ce on RHEL7.4

thank you