unshare(0x28020600)
r0 = getpgrp(0x0)
r1 = pidfd_open(r0, 0x0)
r2 = dup(r1)
setns(r2, 0x20000)
r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/mdstat\x00', 0x0, 0x0)
r4 = openat$ptp0(0xffffffffffffff9c, &(0x7f0000000000), 0x70d880, 0x0)
poll(&(0x7f0000000100)=[{r3}, {r4}], 0x2, 0x20)