[Bug 1307429] Re: Existing allow-hotplug devices do not come up
Brian Murray
brian at ubuntu.com
Wed Apr 16 20:37:42 UTC 2014
** Tags added: precise saucy trusty
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https://bugs.launchpad.net/bugs/1307429
Title:
Existing allow-hotplug devices do not come up
Status in “ifupdown” package in Ubuntu:
Triaged
Bug description:
Devices that are listed with allow-hotplug in /etc/network/interfaces
do not come up when they are hotplugged. "ip addr" shows that these
devices are down.
Steps to reproduce:
1) Install Ubuntu 12.04, 13.10, or 14.04 in a virtual machine (e.g. with libvirt) with one network device.
2) Modify /etc/network/interfaces to
auto lo
iface lo inet loopback
allow-hotplug eth0
iface eth0 inet dhcp
allow-hotplug eth1
iface eth1 inet dhcp
allow-hotplug eth2
iface eth2 inet dhcp
3) Boot your virtual machine.
4) Type "ip addr" to show your network devices. It should show eth0 which should be up (but isn't)
5) Add/Hotplug one NIC to your virtual machine.
6) "ip addr" should show that eth1 is up too (but isn't)
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