[Touch-packages] [Bug 1860926] Re: Ubuntu 20.04 Systemd fails to configure bridged network
It work ! Thank-you so much :-) ● State: routable Address: 192.168.2.1 on enp2s0 192.168.1.166 on br1 192.168.122.1 on virbr0 Gateway: 192.168.1.1 (Ubiquiti Networks Inc.) on br1 DNS: 192.168.1.11 192.168.1.12 1.1.1.1 Search Domains: maison.com -- Reboot -- Apr 27 11:31:09 leblancs-Z170X-UD3 systemd[1]: Starting Network Service... Apr 27 11:31:10 leblancs-Z170X-UD3 systemd-networkd[2621]: br1: netdev ready Apr 27 11:31:10 leblancs-Z170X-UD3 systemd-networkd[2621]: bond0: netdev ready Apr 27 11:31:10 leblancs-Z170X-UD3 systemd-networkd[2621]: Enumeration completed Apr 27 11:31:10 leblancs-Z170X-UD3 systemd[1]: Started Network Service. Apr 27 11:31:10 leblancs-Z170X-UD3 systemd-networkd[2621]: br1: Link UP Apr 27 11:31:10 leblancs-Z170X-UD3 systemd-networkd[2621]: br1: Gained carrier Apr 27 11:31:11 leblancs-Z170X-UD3 systemd-networkd[2621]: br1: Lost carrier Apr 27 11:31:11 leblancs-Z170X-UD3 systemd-networkd[2621]: enp2s0: Link UP Apr 27 11:31:11 leblancs-Z170X-UD3 systemd-networkd[2621]: enp0s31f6: Link UP Apr 27 11:31:11 leblancs-Z170X-UD3 systemd-networkd[2621]: enp14s0f0: Link UP Apr 27 11:31:11 leblancs-Z170X-UD3 systemd-networkd[2621]: bond0: Link UP Apr 27 11:31:13 leblancs-Z170X-UD3 systemd-networkd[2621]: enp14s0f0: Gained carrier Apr 27 11:31:13 leblancs-Z170X-UD3 systemd-networkd[2621]: bond0: Gained carrier Apr 27 11:31:13 leblancs-Z170X-UD3 systemd-networkd[2621]: br1: Gained carrier Apr 27 11:31:15 leblancs-Z170X-UD3 systemd-networkd[2621]: veth29aacaed: Link UP Apr 27 11:31:15 leblancs-Z170X-UD3 systemd-networkd[2621]: enp0s31f6: Gained carrier Apr 27 11:31:16 leblancs-Z170X-UD3 systemd-networkd[2621]: veth29aacaed: Gained carrier Apr 27 11:31:16 leblancs-Z170X-UD3 systemd-networkd[2621]: veth9b9e65cf: Link UP Apr 27 11:31:17 leblancs-Z170X-UD3 systemd-networkd[2621]: veth9b9e65cf: Gained carrier Apr 27 11:31:17 leblancs-Z170X-UD3 systemd-networkd[2621]: enp2s0: Gained carrier Apr 27 11:31:22 leblancs-Z170X-UD3 systemd-networkd[2621]: rtnl: received neighbor for link '14' we don't know about, ignoring. Apr 27 11:31:22 leblancs-Z170X-UD3 systemd-networkd[2621]: rtnl: received neighbor for link '14' we don't know about, ignoring. Apr 27 11:31:22 leblancs-Z170X-UD3 systemd-networkd[2621]: rtnl: received neighbor for link '14' we don't know about, ignoring. Apr 27 11:31:22 leblancs-Z170X-UD3 systemd-networkd[2621]: rtnl: received neighbor for link '14' we don't know about, ignoring. Apr 27 11:31:22 leblancs-Z170X-UD3 systemd-networkd[2621]: virbr0-nic: Link UP Apr 27 11:31:22 leblancs-Z170X-UD3 systemd-networkd[2621]: virbr0-nic: Gained carrier Apr 27 11:31:22 leblancs-Z170X-UD3 systemd-networkd[2621]: virbr0: Link UP Apr 27 11:31:23 leblancs-Z170X-UD3 systemd-networkd[2621]: virbr0-nic: Link DOWN Apr 27 11:31:23 leblancs-Z170X-UD3 systemd-networkd[2621]: virbr0-nic: Lost carrier Apr 27 11:31:23 leblancs-Z170X-UD3 systemd-networkd[2621]: enp2s0: Lost carrier Apr 27 11:31:28 leblancs-Z170X-UD3 systemd-networkd[2621]: enp2s0: Gained carrier -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1860926 Title: Ubuntu 20.04 Systemd fails to configure bridged network Status in systemd package in Ubuntu: Confirmed Status in systemd source package in Focal: Confirmed Bug description: [impact] A bridged interface with static ipv4 address and gateway configuration will fail to properly add the route via the gateway, leaving the system without a globally working network. [test case] On a Focal system, remove all network configuration and create this netplan: network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] Replace the interface name 'enp4s0' with the actual interface name on the test system. Reboot the system, and check the route to the gateway, which will be missing: root@lp1860926-f:~# ip r 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 The route is expected to be present, e.g.: ubuntu@lp1860926-e:~$ ip r default via 192.168.0.1 dev br0 proto static 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 [regression potential] Not SRU - N/A [scope] This is not reproducable on Eoan or Bionic; this is needed only for Focal. [original description]
[Touch-packages] [Bug 1860926] Re: Ubuntu 20.04 Systemd fails to configure bridged network
Here is the output from networkctl root@leblancs-Z170X-UD3:~# networkctl IDX LINK TYPE OPERATIONAL SETUP 1 lo loopback carrier unmanaged 2 enp14s0f0etherenslavedconfigured 3 enp14s0f1etheroff unmanaged 4 enp0s31f6etherenslavedconfigured 5 enp2s0 etherroutableconfigured 6 enp15s0f0etheroff unmanaged 7 enp15s0f1etheroff unmanaged 8 bond0bond enslavedconfigured 9 br1 bridge routableconfigured 11 veth29aacaed ethercarrier unmanaged 13 veth9b9e65cf ethercarrier unmanaged 14 virbr0 bridge no-carrier unmanaged 15 virbr0-nic etheroff unmanaged 13 links listed. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1860926 Title: Ubuntu 20.04 Systemd fails to configure bridged network Status in systemd package in Ubuntu: Confirmed Status in systemd source package in Focal: Confirmed Bug description: [impact] A bridged interface with static ipv4 address and gateway configuration will fail to properly add the route via the gateway, leaving the system without a globally working network. [test case] On a Focal system, remove all network configuration and create this netplan: network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] Replace the interface name 'enp4s0' with the actual interface name on the test system. Reboot the system, and check the route to the gateway, which will be missing: root@lp1860926-f:~# ip r 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 The route is expected to be present, e.g.: ubuntu@lp1860926-e:~$ ip r default via 192.168.0.1 dev br0 proto static 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 [regression potential] Not SRU - N/A [scope] This is not reproducable on Eoan or Bionic; this is needed only for Focal. [original description] Freshly installed Ubuntu 20.04 fully patched to days date with static IP address works fine and survives a reboot network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] however when converted to a bridged network for kvm network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] will not survive a reboot and required systemd-network to be restarted or @reboot /usr/sbin/netplan apply added to the crontab after a reboot the network can not b eaccseed and a systemctl status systemd-networkd produces systemd-networkd.service - Network Service Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-01-26 16:36:28 UTC; 2min 27s ago TriggeredBy: ● systemd-networkd.socket Docs: man:systemd-networkd.service(8) Main PID: 979 (systemd-network) Status: "Processing requests..." Tasks: 1 (limit: 57662) Memory: 4.1M CGroup: /system.slice/systemd-networkd.service └─979 /lib/systemd/systemd-networkd Jan 26 16:38:02 firebolt systemd-networkd[979]: rtnl: received neighbor for link '5' we don't know about, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Gained carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link DOWN Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Lost carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Kernel removed an address we don't remember: fe80::5054:ff:fed9:7e26/64 (valid forever),
[Touch-packages] [Bug 1860926] Re: Ubuntu 20.04 Systemd fails to configure bridged network
Doing the test now, will report back in 5 minutes. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1860926 Title: Ubuntu 20.04 Systemd fails to configure bridged network Status in systemd package in Ubuntu: Confirmed Status in systemd source package in Focal: Confirmed Bug description: [impact] A bridged interface with static ipv4 address and gateway configuration will fail to properly add the route via the gateway, leaving the system without a globally working network. [test case] On a Focal system, remove all network configuration and create this netplan: network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] Replace the interface name 'enp4s0' with the actual interface name on the test system. Reboot the system, and check the route to the gateway, which will be missing: root@lp1860926-f:~# ip r 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 The route is expected to be present, e.g.: ubuntu@lp1860926-e:~$ ip r default via 192.168.0.1 dev br0 proto static 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 [regression potential] Not SRU - N/A [scope] This is not reproducable on Eoan or Bionic; this is needed only for Focal. [original description] Freshly installed Ubuntu 20.04 fully patched to days date with static IP address works fine and survives a reboot network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] however when converted to a bridged network for kvm network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] will not survive a reboot and required systemd-network to be restarted or @reboot /usr/sbin/netplan apply added to the crontab after a reboot the network can not b eaccseed and a systemctl status systemd-networkd produces systemd-networkd.service - Network Service Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-01-26 16:36:28 UTC; 2min 27s ago TriggeredBy: ● systemd-networkd.socket Docs: man:systemd-networkd.service(8) Main PID: 979 (systemd-network) Status: "Processing requests..." Tasks: 1 (limit: 57662) Memory: 4.1M CGroup: /system.slice/systemd-networkd.service └─979 /lib/systemd/systemd-networkd Jan 26 16:38:02 firebolt systemd-networkd[979]: rtnl: received neighbor for link '5' we don't know about, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Gained carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link DOWN Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Lost carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Kernel removed an address we don't remember: fe80::5054:ff:fed9:7e26/64 (valid forever), ignoring. systemctl restart systemd-networkd resolved the issue and a systemctl status systemd-network producessystemd-networkd.service - Network Service Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-01-26 16:39:28 UTC; 41s ago TriggeredBy: ● systemd-networkd.socket Docs: man:systemd-networkd.service(8) Main PID: 1650 (systemd-network) Status: "Processing requests..." Tasks: 1 (limit: 57662) Memory: 1.6M CGroup: /system.slice/systemd-networkd.service └─1650 /lib/systemd/systemd-networkd Jan 26 16:39:28 firebolt systemd[1]: Starting Network Service...
[Touch-packages] [Bug 1860926] Re: Ubuntu 20.04 Systemd fails to configure bridged network
If that help here is my netplan setup that was working perfect in 18.04,
19.04, 19.10
network:
version: 2
renderer: networkd
ethernets:
enp0s31f6:
dhcp4: false
dhcp6: false
match:
macaddress: 1c:1b:0d:61:85:40
mtu: 9000
enp12s0f0:
dhcp4: false
dhcp6: false
match:
macaddress: 00:1b:21:66:6c:c8
mtu: 9000
enp2s0:
addresses:
- 192.168.2.1/24
dhcp4: false
dhcp6: false
match:
macaddress: 00:17:b6:00:97:8a
mtu: 9000
vlans: {}
wifis: {}
bonds:
bond0:
interfaces: [enp0s31f6, enp12s0f0]
mtu: 9000
parameters:
lacp-rate: slow
mode: 802.3ad
transmit-hash-policy: layer2+3
bridges:
br1:
link-local: [ ]
addresses: [ 192.168.1.166/24 ]
dhcp4: false
dhcp6: false
gateway4: 192.168.1.1
interfaces: [ bond0 ]
nameservers:
search: [maison.com]
addresses: [192.168.1.11, 192.168.1.12, 1.1.1.1]
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1860926
Title:
Ubuntu 20.04 Systemd fails to configure bridged network
Status in systemd package in Ubuntu:
Confirmed
Status in systemd source package in Focal:
Confirmed
Bug description:
[impact]
A bridged interface with static ipv4 address and gateway configuration
will fail to properly add the route via the gateway, leaving the
system without a globally working network.
[test case]
On a Focal system, remove all network configuration and create this
netplan:
network:
version: 2
renderer: networkd
ethernets:
enp4s0:
dhcp4: false
bridges:
br0:
interfaces: [enp4s0]
dhcp4: no
addresses: [192.168.0.4/24]
gateway4: 192.168.0.1
nameservers:
search: [mydomain]
addresses: [192.168.0.1,192.168.0.2,192.168.0.3]
Replace the interface name 'enp4s0' with the actual interface name on
the test system.
Reboot the system, and check the route to the gateway, which will be
missing:
root@lp1860926-f:~# ip r
192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4
The route is expected to be present, e.g.:
ubuntu@lp1860926-e:~$ ip r
default via 192.168.0.1 dev br0 proto static
192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4
[regression potential]
Not SRU - N/A
[scope]
This is not reproducable on Eoan or Bionic; this is needed only for
Focal.
[original description]
Freshly installed Ubuntu 20.04 fully patched to days date with static
IP address works fine and survives a reboot
network:
version: 2
renderer: networkd
ethernets:
enp4s0:
dhcp4: false
addresses: [192.168.0.4/24]
gateway4: 192.168.0.1
nameservers:
search: [mydomain]
addresses: [192.168.0.1,192.168.0.2,192.168.0.3]
however when converted to a bridged network for kvm
network:
version: 2
renderer: networkd
ethernets:
enp4s0:
dhcp4: false
bridges:
br0:
interfaces: [enp4s0]
dhcp4: no
addresses: [192.168.0.4/24]
gateway4: 192.168.0.1
nameservers:
search: [mydomain]
addresses: [192.168.0.1,192.168.0.2,192.168.0.3]
will not survive a reboot and required systemd-network to be restarted or
@reboot /usr/sbin/netplan apply
added to the crontab
after a reboot the network can not b eaccseed and a
systemctl status systemd-networkd produces
systemd-networkd.service - Network Service
Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled;
vendor preset: enabled)
Active: active (running) since Sun 2020-01-26 16:36:28 UTC; 2min 27s ago
TriggeredBy: ● systemd-networkd.socket
Docs: man:systemd-networkd.service(8)
Main PID: 979 (systemd-network)
Status: "Processing requests..."
Tasks: 1 (limit: 57662)
Memory: 4.1M
CGroup: /system.slice/systemd-networkd.service
└─979 /lib/systemd/systemd-networkd
Jan 26 16:38:02 firebolt systemd-networkd[979]: rtnl: received neighbor for
link '5' we don't know about, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received
neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received
neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: rtnl: received
neighbor message with invalid family, ignoring.
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link UP
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Gained carrier
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: Link UP
Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic:
[Touch-packages] [Bug 1860926] Re: Ubuntu 20.04 Systemd fails to configure bridged network
Cloundinit is not install neither networkmanager !!! :-( -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1860926 Title: Ubuntu 20.04 Systemd fails to configure bridged network Status in systemd package in Ubuntu: Confirmed Status in systemd source package in Focal: Confirmed Bug description: [impact] A bridged interface with static ipv4 address and gateway configuration will fail to properly add the route via the gateway, leaving the system without a globally working network. [test case] On a Focal system, remove all network configuration and create this netplan: network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] Replace the interface name 'enp4s0' with the actual interface name on the test system. Reboot the system, and check the route to the gateway, which will be missing: root@lp1860926-f:~# ip r 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 The route is expected to be present, e.g.: ubuntu@lp1860926-e:~$ ip r default via 192.168.0.1 dev br0 proto static 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 [regression potential] Not SRU - N/A [scope] This is not reproducable on Eoan or Bionic; this is needed only for Focal. [original description] Freshly installed Ubuntu 20.04 fully patched to days date with static IP address works fine and survives a reboot network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] however when converted to a bridged network for kvm network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] will not survive a reboot and required systemd-network to be restarted or @reboot /usr/sbin/netplan apply added to the crontab after a reboot the network can not b eaccseed and a systemctl status systemd-networkd produces systemd-networkd.service - Network Service Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-01-26 16:36:28 UTC; 2min 27s ago TriggeredBy: ● systemd-networkd.socket Docs: man:systemd-networkd.service(8) Main PID: 979 (systemd-network) Status: "Processing requests..." Tasks: 1 (limit: 57662) Memory: 4.1M CGroup: /system.slice/systemd-networkd.service └─979 /lib/systemd/systemd-networkd Jan 26 16:38:02 firebolt systemd-networkd[979]: rtnl: received neighbor for link '5' we don't know about, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Gained carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link DOWN Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Lost carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Kernel removed an address we don't remember: fe80::5054:ff:fed9:7e26/64 (valid forever), ignoring. systemctl restart systemd-networkd resolved the issue and a systemctl status systemd-network producessystemd-networkd.service - Network Service Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-01-26 16:39:28 UTC; 41s ago TriggeredBy: ● systemd-networkd.socket Docs: man:systemd-networkd.service(8) Main PID: 1650 (systemd-network) Status: "Processing requests..." Tasks: 1 (limit: 57662) Memory: 1.6M CGroup: /system.slice/systemd-networkd.service └─1650 /lib/systemd/systemd-networkd Jan 26 16:39:28 firebolt systemd[1]: Starting Network
[Touch-packages] [Bug 1860926] Re: Ubuntu 20.04 Systemd fails to configure bridged network
I have this exact bug after upgrading from 19.10 workstation to 20.04, please notice I use the workstation has a LXD container server, all my nfs mount point failed to mount, and I also never get an Ip address on my bridge interface, to fix this manually I have todo netplan apply and mount -a ! -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1860926 Title: Ubuntu 20.04 Systemd fails to configure bridged network Status in systemd package in Ubuntu: Confirmed Status in systemd source package in Focal: Confirmed Bug description: [impact] A bridged interface with static ipv4 address and gateway configuration will fail to properly add the route via the gateway, leaving the system without a globally working network. [test case] On a Focal system, remove all network configuration and create this netplan: network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] Replace the interface name 'enp4s0' with the actual interface name on the test system. Reboot the system, and check the route to the gateway, which will be missing: root@lp1860926-f:~# ip r 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 The route is expected to be present, e.g.: ubuntu@lp1860926-e:~$ ip r default via 192.168.0.1 dev br0 proto static 192.168.0.0/24 dev br0 proto kernel scope link src 192.168.0.4 [regression potential] Not SRU - N/A [scope] This is not reproducable on Eoan or Bionic; this is needed only for Focal. [original description] Freshly installed Ubuntu 20.04 fully patched to days date with static IP address works fine and survives a reboot network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] however when converted to a bridged network for kvm network: version: 2 renderer: networkd ethernets: enp4s0: dhcp4: false bridges: br0: interfaces: [enp4s0] dhcp4: no addresses: [192.168.0.4/24] gateway4: 192.168.0.1 nameservers: search: [mydomain] addresses: [192.168.0.1,192.168.0.2,192.168.0.3] will not survive a reboot and required systemd-network to be restarted or @reboot /usr/sbin/netplan apply added to the crontab after a reboot the network can not b eaccseed and a systemctl status systemd-networkd produces systemd-networkd.service - Network Service Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-01-26 16:36:28 UTC; 2min 27s ago TriggeredBy: ● systemd-networkd.socket Docs: man:systemd-networkd.service(8) Main PID: 979 (systemd-network) Status: "Processing requests..." Tasks: 1 (limit: 57662) Memory: 4.1M CGroup: /system.slice/systemd-networkd.service └─979 /lib/systemd/systemd-networkd Jan 26 16:38:02 firebolt systemd-networkd[979]: rtnl: received neighbor for link '5' we don't know about, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: rtnl: received neighbor message with invalid family, ignoring. Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Gained carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0: Link UP Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Link DOWN Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Lost carrier Jan 26 16:38:02 firebolt systemd-networkd[979]: virbr0-nic: Kernel removed an address we don't remember: fe80::5054:ff:fed9:7e26/64 (valid forever), ignoring. systemctl restart systemd-networkd resolved the issue and a systemctl status systemd-network producessystemd-networkd.service - Network Service Loaded: loaded (/lib/systemd/system/systemd-networkd.service; enabled; vendor preset: enabled) Active: active (running) since Sun 2020-01-26 16:39:28 UTC; 41s ago TriggeredBy: ● systemd-networkd.socket Docs: man:systemd-networkd.service(8) Main PID: 1650 (systemd-network) Status:
