r0 = openat$ptp0(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
openat$sysfs(0xffffffffffffff9c, &(0x7f0000000140)='/sys/kernel/uevent_seqnum', 0x0, 0x0)
ioctl$PTP_CLOCK_GETCAPS(r0, 0x40603d10, &(0x7f0000000100))