perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000002200), 0x0, 0x0)
ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0)
r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
ioctl$LOOP_CTL_REMOVE(r1, 0x4c81, 0x0)