r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f00000004c0), 0x1, 0x0) r1 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) write$tcp_congestion(r1, &(0x7f0000000040)='htcp\x00', 0x5) dup2(r0, r1)