r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) writev(r0, &(0x7f0000000240)=[{&(0x7f0000000080)="4fb3cbdf47842a670b31b8ecd7d273c5", 0x10}], 0x1)