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Message #88831
[Bug 1437375] Comment bridged from LTC Bugzilla
------- Comment From hellerda@xxxxxxxxxx 2015-07-10 00:43 EDT-------
(In reply to comment #54)
> No, it's not. I'm adding the Trusty task now.
Excellent, thanks!
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https://bugs.launchpad.net/bugs/1437375
Title:
[udev] Adding "Austin" adapter to Ubuntu partition take over system
network interface
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Trusty:
In Progress
Status in systemd source package in Vivid:
Fix Released
Status in systemd source package in Wily:
Fix Released
Bug description:
[Impact]
This impacts any user of LPARs; upon adding physical network interfaces (or, realistically, any network interface at all, even virtual), the network interface which is used for system access and used to install the system may not appear in the same order after reboot.
[Test Case]
Requires access to logical partitions.
1) Install system
2) Add an physical network adapter to the partition
3) Reboot.
Observed behavior:
After reboot, the virtual adapter expected to be used is unavailable, the address is assigned to any other network adapter which may have been detected and used persistent addresses.
Expected behavior
The system should come up with network interfaces in the same order as before rebooting.
[Regression Potential]
Added virtual interfaces that should be not persist (because they are locally administered and thus may have their MAC address change) may come up as persistent devices due to the use of the ibmveth driver, and thus fail to work as expected.
---
Problem Description:
====================
Adding Austin adapter to Ubuntu partition took over system network
interface. This caused system to be off network connection.
ver 1.5.4.3 - OS, HTX, Firmware and Machine details
OS: GNU/Linux
OS Version: Ubuntu Vivid Vervet (development branch) \n \l
Kernel Version: 3.18.0-13-generic
HTX Version: htxubuntu-322
Host Name: br14p08
Machine Serial No: IBM,0210800E7
Machine Type/Model: IBM,9119-MHE
System FW Level: FW830.00 (SC830_021)
BEFORE adding Austin adapter to br14p08:
========================================
Before adding austin adapter to br14p05 (vio client), the system
network is good.
ubuntu@br14p08:~$ lsslot -cpci
ubuntu@br14p08:~$
+ eth0 U9119.MHE.10800E7-V8-C2-T1
Interpartition Logical LAN
root@br14p08:~# lscfg |grep eth
+ eth0 U9119.MHE.10800E7-V8-C2-T1
root@br14p08:~# ifconfig
eth0 Link encap:Ethernet HWaddr 16:59:c0:50:0a:02
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::1459:c0ff:fe50:a02/64 Scope:Link
inet6 addr: 2002:903:15f:290:1459:c0ff:fe50:a02/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:37366 errors:0 dropped:16 overruns:0 frame:0
TX packets:153 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2472739 (2.4 MB) TX bytes:22596 (22.5 KB)
Interrupt:19
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
root@br14p08:~# ping br14p08
PING br14p08.aus.stglabs.ibm.com (9.3.21.12) 56(84) bytes of data.
64 bytes from br14p08.aus.stglabs.ibm.com (9.3.21.12): icmp_seq=1 ttl=64 time=0.008 ms
64 bytes from br14p08.aus.stglabs.ibm.com (9.3.21.12): icmp_seq=2 ttl=64 time=0.004 ms
64 bytes from br14p08.aus.stglabs.ibm.com (9.3.21.12): icmp_seq=3 ttl=64 time=0.005 ms
^C
--- br14p08.aus.stglabs.ibm.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 0.004/0.005/0.008/0.003 ms
root@br14p08:~# ping nimitz
PING nimitz.aus.stglabs.ibm.com (9.3.165.31) 56(84) bytes of data.
64 bytes from nimitz.aus.stglabs.ibm.com (9.3.165.31): icmp_seq=1 ttl=254 time=0.344 ms
64 bytes from nimitz.aus.stglabs.ibm.com (9.3.165.31): icmp_seq=2 ttl=254 time=0.326 ms
64 bytes from nimitz.aus.stglabs.ibm.com (9.3.165.31): icmp_seq=3 ttl=254 time=0.363 ms
^C
AFTER ADDED Austin Adapter:
===========================
Once the Austin adapter added to the partition, the Austin's 1st port became eth0.
and it pushed the virtual ethernet (which is system's ethernet) to be eth4.
However, the system still looking for eth0 as system's main network interface.
root@br14p08:~# lscfg | grep eth
+ eth4 U9119.MHE.10800E7-V8-C2-T1
+ eth0 U78CA.001.RCH0133-P1-C2-C1-T1
+ eth0 U78CA.001.RCH0133-P1-C2-C1-T1
+ eth3 U78CA.001.RCH0133-P1-C2-C1-T2
+ ethernet U78CA.001.RCH0133-P1-C2-C1-T3
+ eth5 U78CA.001.RCH0133-P1-C2-C1-T4
+ eth4 U9119.MHE.10800E7-V8-C2-T1
Interpartition Logical LAN
+ eth0 U78CA.001.RCH0133-P1-C2-C1-T1
PCIe2 4-port 1GbE Adapter (14105716)
+ eth0 U78CA.001.RCH0133-P1-C2-C1-T1
Ethernet PCI Adapter
+ ptp0 U78CA.001.RCH0133-P1-C2-C1-T1
+ eth3 U78CA.001.RCH0133-P1-C2-C1-T2
PCIe2 4-port 1GbE Adapter (14105716)
+ ethernet U78CA.001.RCH0133-P1-C2-C1-T3
PCIe2 4-port 1GbE Adapter (14105716)
+ eth5 U78CA.001.RCH0133-P1-C2-C1-T4
PCIe2 4-port 1GbE Adapter (14105716)
root@br14p08:~# ifconfig
eth0 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a0
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::42f2:e9ff:fe5a:33a0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:509 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:32744 (32.7 KB)
Interrupt:248
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:258 errors:0 dropped:0 overruns:0 frame:0
TX packets:258 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:28260 (28.2 KB) TX bytes:28260 (28.2 KB)
== Comment: #8 - Siraj M. Ismail <siraji@xxxxxxxxxx> - 2015-03-23 16:43:50 ==
This is a LPAR on a PowerVM system, so no bridge or br0 interfaces on this one. The Virtual adapter is provided by the VIOS server, which shows up as a ethernet port when the LPAR boots up. The issue is that when another adapter with 4 ports gets added to the LPAR with DLPAR add operation while the partition is running, the original eth0 gets renamed to eth5 or similar, and we loose the IP configuration for the LPAR. And that is what need to be looked at and see if this is a driver issue or just a procedure change.
Here are some details of what happens on the system:
Before adding the adapter: (initial config)
================================
root@br14p08:~# lsslot
# Slot Description Linux Name Device(s)
U9119.MHE.10800E7-V8-C0 Virtual I/O Slot 30000000 vty
U9119.MHE.10800E7-V8-C2 Virtual I/O Slot 30000002 l-lan
U9119.MHE.10800E7-V8-C3 Virtual I/O Slot 30000003 v-scsi
root@br14p08:~# ethtool -P eth0
Permanent address: 16:59:c0:50:0a:02 <== MAC
root@br14p08:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 16:59:c0:50:0a:02
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::1459:c0ff:fe50:a02/64 Scope:Link
inet6 addr: 2002:903:15f:290:1459:c0ff:fe50:a02/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:375794 errors:0 dropped:1 overruns:0 frame:0
TX packets:9646 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:46210638 (46.2 MB) TX bytes:787820 (787.8 KB)
Interrupt:19
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
root@br14p08:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 9.3.21.12
netmask 255.255.254.0
gateway 9.3.20.1
dns-nameservers 9.3.1.200
dns-search aus.stglabs.ibm.com isst.aus.stglabs.ibm.com
After adding a four port Ethernet adapter at runtime:
========================================
Before Reboot:
===========
root@br14p08:~# lspci
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.2 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.3 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
root@br14p08:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 16:59:c0:50:0a:02
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::1459:c0ff:fe50:a02/64 Scope:Link
inet6 addr: 2002:903:15f:290:1459:c0ff:fe50:a02/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:637083 errors:0 dropped:3 overruns:0 frame:0
TX packets:10943 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:63241734 (63.2 MB) TX bytes:977826 (977.8 KB)
Interrupt:19
eth3 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a1
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
eth4 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a2
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
eth5 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a3
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
rename6 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a0
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
After reboot:
=========
root@br14p08:~# lspci
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.2 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.3 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
root@br14p08:~# lsslot
# Slot Description Linux Name Device(s)
U9119.MHE.10800E7-V8-C0 Virtual I/O Slot 30000000 vty
U9119.MHE.10800E7-V8-C2 Virtual I/O Slot 30000002 l-lan
U9119.MHE.10800E7-V8-C3 Virtual I/O Slot 30000003 v-scsi
root@br14p08:~#
root@br14p08:~# ifconfig
eth0 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a0
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::42f2:e9ff:fe5a:33a0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:242 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:15656 (15.6 KB)
Interrupt:248
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:123 errors:0 dropped:0 overruns:0 frame:0
TX packets:123 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:13584 (13.5 KB) TX bytes:13584 (13.5 KB)
root@br14p08:~# ethtool -P eth0 <= Eth0 has changed to new adapter
Permanent address: 40:f2:e9:5a:33:a0
As you can see, port for eth0 has now changed, but the IP address
stayed with the port name eth0, whih causes the LPAR to loose it's
network. That is the issue we need to address with this bug.
== Comment: #9 - Brian J. King <bjking1@xxxxxxxxxx> - 2015-03-23 18:49:15 ==
It looks like Ubuntu 14.04 by default uses /lib/udev/write_net_rules to modify /etc/udev/rules.d/70-persistent-net.rules in order to do persistent eth device name binding. Looking at /etc/udev/rules.d/70-persistent-net.rules on this system, I see multiple entries for the same mac address, so something may be broken in this script.
== Comment: #11 - Siraj M. Ismail <siraji@xxxxxxxxxx> - 2015-03-24 10:19:20 ==
This is a LPAR on a PowerVM system, so no bridge or br0 interfaces on this one. The Virtual adapter is provided by the VIOS server, which shows up as a ethernet port when the LPAR boots up. The issue is that when another adapter with 4 ports gets added to the LPAR with DLPAR add operation while the partition is running, the original eth0 gets renamed to eth5 or similar, and we loose the IP configuration for the LPAR. And that is what need to be looked at and see if this is a driver issue or just a procedure change.
Here are some details of what happens on the system:
Before adding the adapter: (initial config)
================================
root@br14p08:~# lsslot
# Slot Description Linux Name Device(s)
U9119.MHE.10800E7-V8-C0 Virtual I/O Slot 30000000 vty
U9119.MHE.10800E7-V8-C2 Virtual I/O Slot 30000002 l-lan
U9119.MHE.10800E7-V8-C3 Virtual I/O Slot 30000003 v-scsi
root@br14p08:~# ethtool -P eth0
Permanent address: 16:59:c0:50:0a:02 <== MAC
root@br14p08:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 16:59:c0:50:0a:02
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::1459:c0ff:fe50:a02/64 Scope:Link
inet6 addr: 2002:903:15f:290:1459:c0ff:fe50:a02/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:375794 errors:0 dropped:1 overruns:0 frame:0
TX packets:9646 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:46210638 (46.2 MB) TX bytes:787820 (787.8 KB)
Interrupt:19
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
root@br14p08:~# cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 9.3.21.12
netmask 255.255.254.0
gateway 9.3.20.1
dns-nameservers 9.3.1.200
dns-search aus.stglabs.ibm.com isst.aus.stglabs.ibm.com
After adding a four port Ethernet adapter at runtime:
========================================
Before Reboot:
===========
root@br14p08:~# lspci
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.2 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.3 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
root@br14p08:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 16:59:c0:50:0a:02
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::1459:c0ff:fe50:a02/64 Scope:Link
inet6 addr: 2002:903:15f:290:1459:c0ff:fe50:a02/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:637083 errors:0 dropped:3 overruns:0 frame:0
TX packets:10943 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:63241734 (63.2 MB) TX bytes:977826 (977.8 KB)
Interrupt:19
eth3 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a1
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
eth4 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a2
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
eth5 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a3
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
rename6 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a0
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
After reboot:
=========
root@br14p08:~# lspci
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.2 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
01:00.3 Ethernet controller: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe (rev 01)
root@br14p08:~# lsslot
# Slot Description Linux Name Device(s)
U9119.MHE.10800E7-V8-C0 Virtual I/O Slot 30000000 vty
U9119.MHE.10800E7-V8-C2 Virtual I/O Slot 30000002 l-lan
U9119.MHE.10800E7-V8-C3 Virtual I/O Slot 30000003 v-scsi
root@br14p08:~#
root@br14p08:~# ifconfig
eth0 Link encap:Ethernet HWaddr 40:f2:e9:5a:33:a0
inet addr:9.3.21.12 Bcast:9.3.21.255 Mask:255.255.254.0
inet6 addr: fe80::42f2:e9ff:fe5a:33a0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:242 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:15656 (15.6 KB)
Interrupt:248
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:123 errors:0 dropped:0 overruns:0 frame:0
TX packets:123 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:13584 (13.5 KB) TX bytes:13584 (13.5 KB)
root@br14p08:~# ethtool -P eth0 <= Eth0 has changed to new adapter
Permanent address: 40:f2:e9:5a:33:a0
As you can see, port for eth0 has now changed, but the IP address
stayed with the port name eth0, whih causes the LPAR to loose it's
network. That is the issue we need to address with this bug.
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