r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000000)="08a68da51954867e8d9a9c79be5f8959", 0x10)
dup2(r0, r1)