Below is the complete screen from Termux.

Code:
[*] Checking device architecture ...                 [*] Checking package dependencies...
  proot is OK
  tar is OK
  axel is OK
Reading package lists... Done                        
Building dependency tree... Done                     
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.[*] Downloading rootfs...

Initializing download: https://images.kali.org/nethunter/kalifs-arm64-full.tar.xz
SSL error: certificate verify failed
(null)