(define %eth0-spoof-udev-rules
  (udev-rule "90-spoof-eth0-mac.rules"
             #~(string-append "ACTION==\"add\", SUBSYSTEM==\"net\", "
                            "ATTR{address}==\"b8:27:eb:15:61:71\", "
                            "RUN+=\"" #$iproute "/bin/ip link set dev eth0 address b0:25:aa:46:63:d6\"")))