Constant openthread_sys::otIcmp6EchoMode_OT_ICMP6_ECHO_HANDLER_MULTICAST_ONLY

pub const otIcmp6EchoMode_OT_ICMP6_ECHO_HANDLER_MULTICAST_ONLY: otIcmp6EchoMode = 2;

< ICMPv6 Echo processing enabled only for multicast requests only