Comment 37 for bug 1379591

And for utopic:

ubuntu@ms01a:~$ sudo lshw -class net > pre-fix
ubuntu@ms01a:~$ echo "deb http://ports.ubuntu.com/ubuntu-ports utopic-proposed main" | sudo tee /etc/apt/sources.list
deb http://ports.ubuntu.com/ubuntu-ports utopic-proposed main
ubuntu@ms01a:~$ sudo apt-get update
Ign http://ports.ubuntu.com utopic-proposed InRelease
Get:1 http://ports.ubuntu.com utopic-proposed Release.gpg [933 B]
Get:2 http://ports.ubuntu.com utopic-proposed Release [215 kB]
Get:3 http://ports.ubuntu.com utopic-proposed/main arm64 Packages [10.3 kB]
Get:4 http://ports.ubuntu.com utopic-proposed/main Translation-en [8725 B]
Fetched 235 kB in 1s (208 kB/s)
Reading package lists... Done
ubuntu@ms01a:~$ sudo apt-get upgrade
sudo: unable to resolve host ms01a
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
  lshw
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 195 kB of archives.
After this operation, 8192 B of additional disk space will be used.
Do you want to continue? [Y/n]
Get:1 http://ports.ubuntu.com/ubuntu-ports/ utopic-proposed/main lshw arm64 02.16-2ubuntu2.1 [195 kB]
Fetched 195 kB in 0s (332 kB/s)
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = (unset),
 LC_ALL = (unset),
 LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
(Reading database ... 11075 files and directories currently installed.)
Preparing to unpack .../lshw_02.16-2ubuntu2.1_arm64.deb ...
Unpacking lshw (02.16-2ubuntu2.1) over (02.16-2ubuntu2) ...
ubuntu@ms01a:~$ sudo lshw -class net > post-fix
sudo: unable to resolve host ms01a
ubuntu@ms01a:~$ diff -u pre-fix post-fix
--- pre-fix 2014-11-05 22:12:31.434933999 +0000
+++ post-fix 2014-11-05 22:13:56.574933999 +0000
@@ -1,4 +1,4 @@
- *-network
+ *-network DISABLED
        description: Ethernet interface
        product: MT27500 Family [ConnectX-3]
        vendor: Mellanox Technologies
@@ -11,7 +11,7 @@
        width: 64 bits
        clock: 33MHz
        capabilities: pm vpd msix pciexpress bus_master cap_list ethernet physical tp
- configuration: autonegotiation=off broadcast=yes driver=mlx4_en driverversion=2.2-1 (Feb 2014) duplex=full firmware=2.30.3000 ip=10.229.41.200 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
+ configuration: autonegotiation=off broadcast=yes driver=mlx4_en driverversion=2.2-1 (Feb 2014) duplex=full firmware=2.30.3000 latency=0 link=no multicast=yes port=twisted pair speed=1Gbit/s
        resources: irq:244 memory:a010800000-a0108fffff memory:a010000000-a0107fffff
   *-network:0
        description: Ethernet interface
@@ -32,14 +32,23 @@
   *-network:2
        description: Ethernet interface
        physical id: 3
+ bus info: pci@0000:01:00.0
+ logical name: eth0
+ serial: 2c:59:e5:36:9a:b2
+ size: 1Gbit/s
+ capabilities: ethernet physical tp
+ configuration: autonegotiation=off broadcast=yes driver=mlx4_en driverversion=2.2-1 (Feb 2014) duplex=full firmware=2.30.3000 ip=10.229.41.200 link=yes multicast=yes port=twisted pair speed=1Gbit/s
+ *-network:3
+ description: Ethernet interface
+ physical id: 4
        logical name: vnet1
        serial: fe:16:3e:fe:b1:a1
        size: 10Mbit/s
        capabilities: ethernet physical
        configuration: autonegotiation=off broadcast=yes driver=tun driverversion=1.6 duplex=full link=yes multicast=yes port=twisted pair speed=10Mbit/s
- *-network:3
+ *-network:4
        description: Ethernet interface
- physical id: 4
+ physical id: 5
        logical name: novatap
        serial: 46:df:52:39:2e:34
        size: 10Mbit/s
ubuntu@ms01a:~$