perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r1 = ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, r1) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$sock_bt_hci(0xffffffffffffffff, 0x0, 0x0)