r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$RTC_AIE_ON(r0, 0x7001) ioctl$BTRFS_IOC_RM_DEV_V2(0xffffffffffffffff, 0x5000943a, 0x0)