Change to ALLOC_ENGINE_V4_ALLOC_FAIL_SUBNET message
Change to ALLOC_ENGINE_V4_ALLOC_FAIL_SUBNET message:
Would it be possible to add subnet address & prefix fields to the ALLOC_ENGINE_V4_ALLOC_FAIL_SUBNET message.
Currently the message show the client identifier and the subnet number.
"% 1: failed to allocate an IPv4 address in the subnet with id % 2"