You have been subscribed to a public bug: It appears that ifdown command is not working because “/run/network/ifstate" does not contain eth0=eth0.
This in turn causes hyper-v's script hv_set_ifconfig.sh to fail as follows: root@ubuntu:~# ./hv_set_ifconfig.sh /var/lib/hyperv/ifcfg-eth0 ifdown: interface eth0 not configured RTNETLINK answers: File exists Failed to bring up eth0. It appears that something is wrong with your core networking files for trusty. Please could you help fix? Thanks, Abhishek ** Affects: linux (Ubuntu) Importance: Medium Status: New -- hyper-v: ifdown command not working due to bad ifstate https://bugs.launchpad.net/bugs/1301019 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp