From: jerry@example.invalid   
      
   Aelius Gallus  wrote:   
   >>> Chris Elvidge  wrote:   
   >>   
   >> rc.inet1.conf has a max interfaces number   
   >> In rc.inet1 it defaults to 6 -- 126 is way outside this limit   
   >> It's not really maximum interfaces; eth0 to eth5 are the only ones   
   >> allowed by default   
   >>   
   >> What does 'ip a | grep ^[0-6]' say?   
   >>   
   >> Are you sure you deleted /etc/udev/rules.d/70-persistent-net.rules?   
   >>   
   > Thank you for asking again this question. In fact I changed the name   
   > of the file to "Original.70-persistent-net.rules", and kept it in   
   > the same directory, just in case. After your question I removed the   
   > file and left the directory completely empty, and restarted the   
   > laptop. To my surprise, the laptop got its IP address and eth0 was   
   > back again as shown below,   
      
   Add the '.original' to the *end*, udev executes any file with a .rules   
   suffix, so it still got executed.   
      
   If you want to prevent the whole persistant net crud from running, put   
   an empty file named '75-persistent-net-generator.rules' in   
   /etc/udev/rules.d. The way udev works, a file in /etc/udev/rules.d   
   overrides the like named file in /lib/udev/rules.d.   
      
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