r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
fsconfig$FSCONFIG_SET_PATH(r0, 0x3, &(0x7f0000000040)='/dev/nvram\x00', &(0x7f0000000080)='./file0\x00', 0xffffffffffffffff)