dhcp on eth0
pile o'changes; generally got eth0 up automagically
busy box is not ipv6 safe :(
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https://bugs.busybox.net/show_bug.cgi?id=5042

~ # ip route
default via 10.0.2.2 dev eth0
10.0.2.0/24 dev eth0  src 10.0.2.15

~ # wget google.com
Connecting to google.com ([2a00:1450:4009:808::1008]:80)
wget: can't connect to remote host: Network is unreachable
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