1970, # results in 2 chained buffers entering decrypt node
# but leaving as simple buffer due to ICV removal (tra4)
2004, # footer+ICV will be added to 2nd buffer (tun4)
- 4010, # ICV ends up splitted accross 2 buffers in esp_decrypt
+ 4010, # ICV ends up splitted across 2 buffers in esp_decrypt
# for transport4; transport6 takes normal path
4020, # same as above but tra4 and tra6 are switched
]