PS: strace reveals: : access("/sys/devices/pci0000:00/0000:00:1d.2/0000:40:00.0/nvme/nvme0/nvme0n1/uevent", F_OK) = 0 readlinkat(AT_FDCWD, "/sys/devices/pci0000:00/0000:00:1d.2/0000:40:00.0/nvme/nvme0/nvme0n1/subsystem", "../../../../../../../class/block", 4096) = 32 openat(AT_FDCWD, "/sys/devices/pci0000:00/0000:00:1d.2/0000:40:00.0/nvme/nvme0/nvme0n1/uevent", O_RDONLY|O_CLOEXEC) = 3 fstat(3, {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0 fstat(3, {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0 read(3, "MAJOR=259\nMINOR=0\nDEVNAME=nvme0n"..., 4096) = 47 read(3, "", 4096) = 0 close(3) = 0 openat(AT_FDCWD, "/run/udev/data/b259:0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) :
/mnt/usr/sbin/policy-rc.d is set, of course: # cat /mnt/usr/sbin/policy-rc.d #!/bin/sh exit 101