I am also having this issue on my One Plus One.
I factory reset the phone, downloaded nethunter-oneplus1-lollipop-3.0.zip, confirmed MD5 and during flash on latest TWRP (twrp-2.8.7.0-bacon.img) I get a load of errors just like OP.
I even tried making sure the OS was rooted with SuperSU first, unclear if this is necessary?
Code:
ui_print - Kernel installation completed
ui_print
@Checking for Kali Chroot in installer...this can take a while...
minzip: Extracted file "/data/local/kalifs-full.tar.xz"
about to run program [/tmp/extractchroot.sh] with 1 args
mount: mounting /dev/block/mmcblk0p28 on /data failed: Device or resource busy
Found chroot to be installed
Extracting chroot...
I:TWFunc::Set_Brightness: Setting brightness control to 5
I:TWFunc::Set_Brightness: Setting brightness control to 0
I:TWFunc::Set_Brightness: Setting brightness control to 255
I:TWFunc::Set_Brightness: Setting brightness control to 5
I:TWFunc::Set_Brightness: Setting brightness control to 0
I:TWFunc::Set_Brightness: Setting brightness control to 255
I:TWFunc::Set_Brightness: Setting brightness control to 5
I:TWFunc::Set_Brightness: Setting brightness control to 0
script result was [1]
@Finished Install
I:Legacy property environment disabled.
Updating partition details...
I:mount -o bind '/data/media/0' '/sdcard' process ended with RC=0
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram12'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram14'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram16'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram10'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram13'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram15'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop6'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram4'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram9'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop0'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram7'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop1'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram0'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram3'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram11'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram6'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop4'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram8'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram1'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop5'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop7'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram2'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop3'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/ram5'
E:error: Not a directory
E:error opening '/data/local/nhsystem/kali-armhf/dev/loop2'
E:error: Not a directory
I:Data backup size is 2025MB, free: 53078MB.
I:sending message to remove 65537
mtppipe remove storage 65537
I:Message sent, remove storage ID: 65537
I:Unable to mount '/usb_otg'
I:Actual block device: '', current file system: 'vfat'
...done
I:mount -o bind '/data/media/0' '/sdcard' process ended with RC=0
I:Set page: 'flash_done'
I:TWFunc::Set_Brightness: Setting brightness control to 255
I:operation_end - status=0
I:Set overlay: ''
I:TWFunc::Set_Brightness: Setting brightness control to 5
I:TWFunc::Set_Brightness: Setting brightness control to 0
I:TWFunc::Set_Brightness: Setting brightness control to 255
I:Set overlay: ''
I:Set page: 'clear_vars'
I:Set page: 'main2'
I:Set page: 'settings'
I:Set page: 'main'
I:Set page: 'clear_vars'
I:Set page: 'main2'
I:Set page: 'advanced'
I:Set page: 'confirm_action'
I:Set page: 'action_page'
I:operation_start: 'Copy Log'
I:Copying file /tmp/recovery.log to /data/media/0/recovery.log
EDIT:
I have now tried the following:
Wipe all partitions then flash latest signed image (cm-12.1-YOG4PAS3JL-bacon-signed.zip) then flash NetHunter over the top. No luck, same errors and result.
Wipe all partitions then flash straight to NetHunter image. No luck, same errors and result.
Am I missing some critical step here?
For reference I am using a US 64GB Oneplus One.
Thanks
-Nixtar