r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$RTC_UIE_ON(r0, 0x7003)
preadv(r0, &(0x7f0000000080)=[{&(0x7f0000000500)=""/229, 0xe5}, {0x0}], 0x2, 0x0, 0x0)