/etc/vblade.conf is in vblade 20-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # example configuration file
# network_device shelf slot file/disk/partition mac[,mac[,mac]]
#eth0 0 0 /dev/sdb 00:11:22:33:44:55
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