Public bug reported:
This is identical to:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1881207
It just happens to affect 22.04.1.
I can confirm that removing the `interface-mtu XXXX` option from my dhcp
server cures the issue.
My netplan looks like:
network:
ethernets:
enp33s0f0:
dhcp4: true
dhcp6: false
enp33s0f1:
dhcp4: true
dhcp6: false
This snippet is from my test when I changed the dhcpd to no longer serve MTU:
####
Dec 10 00:47:42 wiyuda-echo systemd[1]: Startup finished in 6min 14.070s
(firmware) + 2.667s (loader) + 25.861s (kernel) + 3min 53.796s (userspace) =
10min 36.395s.
Dec 10 00:47:42 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:42 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:47:42 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:47:42 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease lost
Dec 10 00:47:43 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:46 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb: enp33s0f0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:47:46 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:47:46 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:51 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:47:51 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:51 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:47:51 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:47:51 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: Reset adapter
Dec 10 00:47:52 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease lost
Dec 10 00:47:52 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:52 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:55 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb: enp33s0f0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:47:55 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:47:55 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:47:59 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease lost
Dec 10 00:47:59 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:59 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:02 wiyuda-echo systemd[1]: systemd-timedated.service: Deactivated
successfully.
Dec 10 00:48:02 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb: enp33s0f0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:48:02 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:48:02 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:07 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:48:08 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:08 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: Reset adapter
Dec 10 00:48:08 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:48:08 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:48:08 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease lost
####
<- This is when I changed the configuration and restarted the dhcpd.
####
Dec 10 00:48:08 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:08 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:11 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb: enp33s0f0
NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:48:11 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:48:11 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:16 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:48:16 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:15 wiyuda-echo systemd-resolved[4868]: Clock change detected.
Flushing caches.
Dec 10 00:48:15 wiyuda-echo systemd-timesyncd[4418]: Initial synchronization to
time server 172.16.0.3:123 (172.16.0.3).
####
There is an upstream fix, the systemd team did update their stuff here:
https://github.com/yuwata/systemd/commit/3be1539a9de6db3637b03b7b68686a314e4baa1f
with issue:
https://github.com/systemd/systemd/issues/18738
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
--
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/1999285
Title:
systemd-networkd constantly resets link on i350 when attempting to
apply dhcp server provided MTU
Status in systemd package in Ubuntu:
New
Bug description:
This is identical to:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1881207
It just happens to affect 22.04.1.
I can confirm that removing the `interface-mtu XXXX` option from my
dhcp server cures the issue.
My netplan looks like:
network:
ethernets:
enp33s0f0:
dhcp4: true
dhcp6: false
enp33s0f1:
dhcp4: true
dhcp6: false
This snippet is from my test when I changed the dhcpd to no longer serve MTU:
####
Dec 10 00:47:42 wiyuda-echo systemd[1]: Startup finished in 6min 14.070s
(firmware) + 2.667s (loader) + 25.861s (kernel) + 3min 53.796s (userspace) =
10min 36.395s.
Dec 10 00:47:42 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:42 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:47:42 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:47:42 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease
lost
Dec 10 00:47:43 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:46 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb:
enp33s0f0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:47:46 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:47:46 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:51 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:47:51 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:51 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:47:51 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:47:51 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: Reset adapter
Dec 10 00:47:52 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease
lost
Dec 10 00:47:52 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:52 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:55 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb:
enp33s0f0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:47:55 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:47:55 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:47:59 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:47:59 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease
lost
Dec 10 00:47:59 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:47:59 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:02 wiyuda-echo systemd[1]: systemd-timedated.service:
Deactivated successfully.
Dec 10 00:48:02 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb:
enp33s0f0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:48:02 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:48:02 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:07 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:48:08 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:08 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: Reset adapter
Dec 10 00:48:08 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Lost carrier
Dec 10 00:48:08 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCP lease lost
Dec 10 00:48:08 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv6 lease
lost
####
<- This is when I changed the configuration and restarted the dhcpd.
####
Dec 10 00:48:08 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:08 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:11 wiyuda-echo kernel: igb 0000:21:00.0 enp33s0f0: igb:
enp33s0f0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
Dec 10 00:48:11 wiyuda-echo systemd-networkd[4866]: enp33s0f0: Gained carrier
Dec 10 00:48:11 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:16 wiyuda-echo systemd-networkd[4866]: enp33s0f0: DHCPv4 address
172.16.214.138/16 via 172.16.0.3
Dec 10 00:48:16 wiyuda-echo systemd-timesyncd[4418]: Network configuration
changed, trying to establish connection.
Dec 10 00:48:15 wiyuda-echo systemd-resolved[4868]: Clock change detected.
Flushing caches.
Dec 10 00:48:15 wiyuda-echo systemd-timesyncd[4418]: Initial synchronization
to time server 172.16.0.3:123 (172.16.0.3).
####
There is an upstream fix, the systemd team did update their stuff here:
https://github.com/yuwata/systemd/commit/3be1539a9de6db3637b03b7b68686a314e4baa1f
with issue:
https://github.com/systemd/systemd/issues/18738
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1999285/+subscriptions
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