r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000100)={{{@in6=@mcast2, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@private, 0x0, 0x3c}, 0x0, @in=@dev}}, 0xe8) sendmmsg$inet6(r0, &(0x7f0000000700)=[{{&(0x7f0000000080)={0xa, 0x4e24, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c, 0x0}}], 0x1, 0x0)