r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
sendmsg$inet6(r0, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, &(0x7f00000008c0)=[@rthdrdstopts={{0x18}}, @flowinfo={{0x14, 0x29, 0xb, 0x9}}, @flowinfo={{0x14}}], 0x48}, 0x0)