r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x4}, 0x1c)
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000009900)=[{{0x0, 0x0, &(0x7f0000005600)=[{&(0x7f0000005380)="b723daa416e000f7d62ee29c", 0xc}], 0x1}}], 0x1, 0x0)
sendmmsg$inet6(r0, &(0x7f0000004d00), 0x2f, 0x0)