* Removing kernel 5.13.16-gentoo-dist (not referenced by bootloader (grub2))                                                                                                             
Traceback (most recent call last):                                                                        
  File "/usr/lib/python-exec/python3.9/eclean-kernel", line 33, in <module>                                                                                                              
    sys.exit(load_entry_point('eclean-kernel==2.99.3', 'console_scripts', 'eclean-kernel')())   
  File "/usr/lib/python3.9/site-packages/ecleankernel/__main__.py", line 382, in setuptools_main                                                                                         
    sys.exit(main(sys.argv[1:]))                                                                                                                                                         
  File "/usr/lib/python3.9/site-packages/ecleankernel/__main__.py", line 332, in main                                                                                                    
    p = subprocess.Popen(scmd)                                                                            
  File "/usr/lib/python3.9/subprocess.py", line 951, in __init__                                 self._execute_child(args, executable, preexec_fn, close_fds,                                                                                                                         
  File "/usr/lib/python3.9/subprocess.py", line 1754, in _execute_child                                                                                                                  
    self.pid = _posixsubprocess.fork_exec(     
ValueError: embedded null byte

* Removing kernel 5.13.15-gentoo-dist (not referenced by bootloader (grub2))
> /usr/lib/python3.9/site-packages/ecleankernel/__main__.py(332)main()
-> p = subprocess.Popen(scmd)
(Pdb) 
 [-] /boot/vmlinuz-5.13.15-gentoo-dist
 [-] /lib/modules/5.13.15-gentoo-dist
 [-] /boot/System.map-5.13.15-gentoo-dist
 [-] /boot/config-5.13.15-gentoo-dist
* Removing kernel 5.13.15-gentoo-dist (not referenced by bootloader (grub2))
> /usr/lib/python3.9/site-packages/ecleankernel/__main__.py(332)main()-> p = subprocess.Popen(scmd)
(Pdb) p scmd
['kernel-install', 'remove', '\x00CIFS', '/boot/initramfs-5.13.15-gentoo-dist.img']
(Pdb) p kf.internal_version
'\x00CIFS'
(Pdb) p kf
KernelImage(PosixPath('/boot/initramfs-5.13.15-gentoo-dist.img'))