r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000000080)=[{{0x0, 0xfffffe59, &(0x7f00000004c0)=[{&(0x7f0000000640)='K', 0x1}], 0x1, 0x0, 0x0, 0x3}, 0x200000}], 0x7ffff000, 0x40)