r0 = getpgrp(0x0)
r1 = pidfd_open(r0, 0x0)
r2 = dup(r1)
setns(r2, 0x2020000)
openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)