r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000004d00)=[{{0x0, 0x11, &(0x7f00000004c0)=[{&(0x7f0000000080)='K', 0x1}], 0x1, 0x0, 0x0, 0x3}, 0x200000}], 0x7ffff000, 0x0)
setsockopt$inet6_udp_int(r0, 0x11, 0x67, &(0x7f0000000000)=0x5, 0x4)