r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000600)={0xa, 0x0, 0x0, @dev, 0x3}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000004580)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[@dstopts_2292={{0x18, 0x29, 0x3b}}], 0x18}}], 0x1, 0x0)