r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000001ac0)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x200000}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000740)=[@rthdrdstopts={{0x18, 0x29, 0x37, {0x0, 0x2}}}], 0x18}}], 0x2, 0x0)