r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000001d80)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000280)=[@dstopts={{0x18}}, @rthdrdstopts={{0x18}}], 0x30}}], 0x1, 0x0)