r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000006140)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=[@hopopts_2292={{0x18, 0x29, 0x3e}}], 0x18}}], 0x2, 0x0)