socketpair$nbd(0x1, 0x1, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000280), 0x1a1101, 0x0) perf_event_open(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) fork()