udev and ethernet connections
I think what may be happening over here is the network gets set up during 
boot up here including firewall and pppoe and then udev takes the whole 
connection down.  In order to get out to the internet I've got to run 
dhcpcd eth0 and pon dsl-provider once I sudo into root account.  I 
originally configured ppoe to bring the connection up at boot time but 
having things broken down this way by udev does offer some security 
advantages if I walk away from the computer and forget about it once 
logged in. What needs to be changed in udev so as to not break the 
connection? Also, another possibility might be to simply not try to 
connect to any network at boot up and have a user with sufficient 
privileges bring up the internet after login.  How could that type of 
configuration be arranged?
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