6502269 bfu clobbers dladm configuration files

[eric.ch...@sun.com]

Author: ericheng
Repository: /hg/onnv/onnv-gate
Revision: c374713febe577a780367531334ccfeec2a581a4
Log message:
6502269 bfu clobbers dladm configuration files

Files:
        update: usr/src/tools/scripts/bfu.sh