** Also affects: bridge-utils (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1738085
Title:
Bridge gets created while the network interfaces are still being
renamed
Status in bridge-utils package in Ubuntu:
New
Status in systemd package in Ubuntu:
New
Bug description:
I have a problem with bridge configuration for the interfaces on my
system that I also happen to rename explicitly.
Specifically, I have following network configuration:
# WAN interface
auto wan
iface wan inet dhcp
# LAN interfaces
iface wlan inet manual
iface lan1 inet manual
iface lan2 inet manual
iface lan3 inet manual
# LAN bridge
auto lan
iface lan inet static
address 10.0.0.1
netmask 255.255.255.0
bridge_ports wlan lan1 lan2 lan3
I use systemd .link files for renaming each of the 5 bridged
interfaces, e.g.
cat /etc/systemd/network/10-lan1.link
[Match]
MACAddress=90:e2:ba:ae:e8:21
[Link]
Name=lan1
(BTW, I previously used udev rules to handle the renaming, before I
migrated to systemd .link files hoping for improvement)
Upon system boot, I see following messages:
Dec 13 16:03:38 trout kernel: [ 2.619999] r8169 0000:03:00.0 lan3: renamed
from eth0
Dec 13 16:03:38 trout kernel: [ 2.729493] igb 0000:01:00.0 wlan: renamed
from eth1
Dec 13 16:03:38 trout kernel: [ 2.867121] igb 0000:01:00.2 lan2: renamed
from eth2
Dec 13 16:03:38 trout kernel: [ 2.879221] igb 0000:01:00.1 lan1: renamed
from eth0
Dec 13 16:03:38 trout kernel: [ 2.899203] igb 0000:01:00.3 wan: renamed
from eth3
Dec 13 16:03:38 trout kernel: [ 20.572747] bridge: automatic filtering via
arp/ip/ip6tables has been deprecated. Update your scripts t
o load br_netfilter if you need this.
Dec 13 16:03:38 trout kernel: [ 20.575364] device lan1 entered promiscuous
mode
Dec 13 16:03:38 trout kernel: [ 20.705483] IPv6: ADDRCONF(NETDEV_UP): lan1:
link is not ready
Dec 13 16:03:38 trout kernel: [ 21.097073] rename7: renamed from lan
Dec 13 16:04:29 trout systemd-udevd[466]: seq 2799 '/devices/virtual/net/lan'
is taking a long time
Dec 13 16:04:59 trout systemd-udevd[540]: error changing net interface name
'lan' to 'lan1': File exists
Dec 13 16:04:59 trout systemd-udevd[540]: could not rename interface '7' from
'lan' to 'lan1': File exists
Dec 13 16:04:59 trout systemd[1]: Started ifup for lan.
Dec 13 16:04:59 trout systemd[1]: sys-subsystem-net-devices-lan1.device: Dev
sys-subsystem-net-devices-lan1.device appeared twice with different sysfs paths
/sys/devices/pci0000:00/0000:00:02.1/0000:01:00.1/net/lan1 and
/sys/devices/virtual/net/lan
Dec 13 16:04:59 trout systemd[1]: sys-subsystem-net-devices-lan1.device: Dev
sys-subsystem-net-devices-lan1.device appeared twice with different sysfs paths
/sys/devices/pci0000:00/0000:00:02.1/0000:01:00.1/net/lan1 and
/sys/devices/virtual/net/rename7
Dec 13 16:04:59 trout systemd-udevd[543]: Could not generate persistent MAC
address for lan: No such file or directory
Dec 13 16:04:59 trout systemd[1]: Started ifup for lan.
Dec 13 16:04:59 trout systemd[1]: Found device /sys/subsystem/net/devices/lan.
Dec 13 16:04:59 trout kernel: [ 111.797526] device wlan entered promiscuous
mode
Dec 13 16:04:59 trout ifup[1753]: /sbin/ifup: waiting for lock on
/run/network/ifstate.lan
Dec 13 16:04:59 trout kernel: [ 111.943158] device lan3 entered promiscuous
mode
Dec 13 16:05:00 trout kernel: [ 112.240052] r8169 0000:03:00.0 lan3: link
down
Dec 13 16:05:00 trout kernel: [ 112.240081] r8169 0000:03:00.0 lan3: link
down
Dec 13 16:05:00 trout kernel: [ 112.242397] IPv6: ADDRCONF(NETDEV_UP): lan:
link is not ready
Dec 13 16:05:00 trout sh[1689]: Waiting for lan to get ready (MAXWAIT is 32
seconds).
Dec 13 16:05:00 trout CRON[1841]: (root) CMD ([ -x /usr/sbin/dma ] &&
/usr/sbin/dma -q1)
Dec 13 16:05:01 trout kernel: [ 113.610184] igb 0000:01:00.2 lan2: igb: lan2
NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX
Dec 13 16:05:01 trout kernel: [ 113.610324] lan: port 2(lan2) entered
forwarding state
Dec 13 16:05:01 trout kernel: [ 113.610365] lan: port 2(lan2) entered
forwarding state
Dec 13 16:05:01 trout kernel: [ 113.610486] IPv6: ADDRCONF(NETDEV_CHANGE):
lan: link becomes ready
And after the boot process completes, the bridge is not configured as
requested:
# brctl show
bridge name bridge id STP enabled interfaces
lan 8000.7085c2026d54 no lan2
lan3
wlan
rename7 8000.90e2baaee821 no lan1
Note that while the "rename7" name of the bridge seems to be constant,
the interface bridged is not.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: systemd 229-4ubuntu21
ProcVersionSignature: Ubuntu 4.4.0-103.126-generic 4.4.98
Uname: Linux 4.4.0-103-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.14
Architecture: amd64
Date: Wed Dec 13 16:11:11 2017
InstallationDate: Installed on 2016-07-28 (503 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
SHELL=/bin/bash
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-103-generic
root=/dev/mapper/hostname--vg-root ro
SourcePackage: systemd
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/27/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.00
dmi.board.name: QC5000-ITX/PH
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.00:bd10/27/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnQC5000-ITX/PH:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
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