Container macvlan accepts IPv6 RA but IPv6 address not visible from the host

When using macvlan interfaces with containers the container is able to accept IPv6 RA and gets an IPv6 IP address form the connected router.
This IPv6 address is globally routable and can be used by the container for internet connectivity both incoming and outgoing traffic.

How is it possible from outside the container (from the host) to list what the IPv6 address of the containers is? This is not visible via the inspect command of the container or the network.