r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_buf(r0, 0x29, 0x2d, &(0x7f0000000040)="3eac2fff942274d59f57be7c9c45606a47006eb9f3e6f38807cc6250125c2c52b75738f90a4f70ca310a43781091c26641463f5ef88f034a0488566d34b415bdcb19e9180bdce13c2465efb26e204b565122ad1991072396b6d532fcfa0e4f8e023dcccf7d55f3372fe0c2fb4e3250179cbe7be20aafd32110faed266a15641fadc260b5800aff27", 0x88)