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I added a NIC to a vm in kvm, but I tried "uping" eth0 to 3 but every time I get an error : 

ERROR while getting interfaces flag : no such device

Where can I see the correct eth number / connected NIC's?

Lucas Kauffman
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1 Answers1

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Probably in the log. Do an grep -F eth /var/log/syslog and see the lines with eth.

Other possibility is to view /proc/self/net/dev which should contain all available devices in the first column.

mailq
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  • thanks! any chance you also know how if there is a way to change the number of the NIC from eth5 to eth0 ? – Lucas Kauffman Aug 07 '11 at 22:56
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    Sure I know. But I can't get reputation for it :-). Look here `/etc/udev/rules.d/z25_persistent-net.rules` – mailq Aug 07 '11 at 23:03