** Description changed:
+ [impact]
+
+ number of statically defined addresses for an interface in systemd-
+ networkd is limited
+
+ [test case]
+
+ Note: this only occurs in a container; this is not reproducable in a VM
+ or bare metal.
+
+ Configure netplan with the attached yaml file (TBD: attach)
+
+ enable debug for systemd-networkd
+
+ reboot the system and check the journalctl output to see if any errors
+ were reported for systemd-networkd, e.g.:
+
+ $ journalctl -b -u systemd-networkd | grep 'could not set'
+ Jul 23 13:16:52 lp1930738-b systemd-networkd[189]: eth0: could not set
address: Connection timed out
+ ...
+
+ Note that a restart of systemd-networkd may successfully complete
+ setting up all addresses, so the journal should be checked for errors
+ instead of only checking for configured addresses
+
+ [regression potential]
+
+ possible failure to correctly apply all statically defined interfaces
+
+ [scope]
+
+ this is needed in f and b
+
+ this is fixed upstream with commits
+ 628f08b66d43d1947b03419409d817d28eb47321 and PR 16982 which are included
+ in v246 and later, so this is fixed in h and later
+
+ [original description]
+
This issue was reported at
https://github.com/systemd/systemd/issues/17012
**Used distribution**
- > Ubuntu 20.04.1 LTS
-
+ > Ubuntu 20.04.1 LTS
**systemd version the issue has been seen with**
> 245.4-4ubuntu3.2
**Issue details**
I configured 255 IPv4 address (including primary IP) using netplan but when
the server restart, it time out on configuring the interface. If I limit total
IPv4 addresses to 181 or less, it works. But anything larger than 181 fails.
Below are my configurations and error logs.
**/etc/netplan/10-ens3.yaml**
```
network:
- version: 2
- renderer: networkd
- ethernets:
- ens3:
- dhcp4: no
- addresses:
- - 140.XX.XX.XX/23
- - 103.XXX.XX.1/24
- - 103.XXX.XX.2/24
- - CONTINUED IP ADDRESS UPTO BELOW ...
- - 103.XXX.XX.254/24
- gateway4: 140.XX.XX.X
- nameservers:
- addresses: [1.1.1.1, 1.0.0.1]
- routes:
- - to: 169.254.0.0/16
- via: 140.XX.XX.X
- metric: 100
+ version: 2
+ renderer: networkd
+ ethernets:
+ ens3:
+ dhcp4: no
+ addresses:
+ - 140.XX.XX.XX/23
+ - 103.XXX.XX.1/24
+ - 103.XXX.XX.2/24
+ - CONTINUED IP ADDRESS UPTO BELOW ...
+ - 103.XXX.XX.254/24
+ gateway4: 140.XX.XX.X
+ nameservers:
+ addresses: [1.1.1.1, 1.0.0.1]
+ routes:
+ - to: 169.254.0.0/16
+ via: 140.XX.XX.X
+ metric: 100
```
The above config works if I run `netplan apply` but when I reboot, it does
not work.
**networkctl**
```
- IDX LINK TYPE OPERATIONAL SETUP
- 1 lo loopback carrier unmanaged
- 2 ens3 ether routable failed
+ IDX LINK TYPE OPERATIONAL SETUP
+ 1 lo loopback carrier unmanaged
+ 2 ens3 ether routable failed
2 links listed.
```
**/etc/systemd/system/systemd-networkd.service.d/override.conf**
```
[Service]
Environment=SYSTEMD_LOG_LEVEL=debug
```
**systemctl status systemd-networkd.service**
```
● systemd-networkd.service - Network Service
- Loaded: loaded (/lib/systemd/system/systemd-networkd.service;
enabled-runtime; vendor preset: enabled)
- Drop-In: /etc/systemd/system/systemd-networkd.service.d
- └─override.conf
- Active: active (running) since Thu 2020-09-10 19:46:58 UTC; 1min 36s ago
- Docs: man:systemd-networkd.service(8)
- Main PID: 346 (systemd-network)
- Status: "Processing requests..."
- Tasks: 1 (limit: 1074)
- Memory: 3.8M
- CGroup: /system.slice/systemd-networkd.service
- └─346 /lib/systemd/systemd-networkd
+ Loaded: loaded (/lib/systemd/system/systemd-networkd.service;
enabled-runtime; vendor preset: enabled)
+ Drop-In: /etc/systemd/system/systemd-networkd.service.d
+ └─override.conf
+ Active: active (running) since Thu 2020-09-10 19:46:58 UTC; 1min 36s ago
+ Docs: man:systemd-networkd.service(8)
+ Main PID: 346 (systemd-network)
+ Status: "Processing requests..."
+ Tasks: 1 (limit: 1074)
+ Memory: 3.8M
+ CGroup: /system.slice/systemd-networkd.service
+ └─346 /lib/systemd/systemd-networkd
Sep 10 19:47:03 test-server systemd-networkd[346]: NDISC: Sent Router
Solicitation, next solicitation in 7s
Sep 10 19:47:11 test-server systemd-networkd[346]: NDISC: No RA received
before link confirmation timeout
Sep 10 19:47:11 test-server systemd-networkd[346]: NDISC: Invoking callback
for 'timeout' event.
Sep 10 19:47:11 test-server systemd-networkd[346]: NDISC: Sent Router
Solicitation, next solicitation in 15s
Sep 10 19:47:23 test-server systemd-networkd[346]: Assertion 'm->sealed'
failed at src/libsystemd/sd-netlink/netlink-message.c:582, function
netlink_message_read_internal(). Ignoring.
Sep 10 19:47:23 test-server systemd-networkd[346]: ens3: Could not set
address: Connection timed out
Sep 10 19:47:23 test-server systemd-networkd[346]: ens3: Failed
Sep 10 19:47:23 test-server systemd-networkd[346]: ens3: State changed:
configuring -> failed
Sep 10 19:47:23 test-server systemd-networkd[346]: Sent message type=signal
sender=n/a destination=n/a path=/org/freedesktop/network1/link/_32
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=13
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Sep 10 19:47:23 test-server systemd-networkd[346]: NDISC: Stopping IPv6
Router Solicitation client
```
** Also affects: systemd (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: systemd (Ubuntu Bionic)
Status: New => In Progress
** Changed in: systemd (Ubuntu Focal)
Status: New => In Progress
** Changed in: systemd (Ubuntu)
Status: Incomplete => Fix Released
** Changed in: systemd (Ubuntu Focal)
Importance: Undecided => Low
** Changed in: systemd (Ubuntu Bionic)
Importance: Undecided => Low
** Changed in: systemd (Ubuntu Bionic)
Assignee: (unassigned) => Dan Streetman (ddstreet)
** Changed in: systemd (Ubuntu Focal)
Assignee: (unassigned) => Dan Streetman (ddstreet)
--
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/1930738
Title:
network configuration failed on reboot
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Bionic:
In Progress
Status in systemd source package in Focal:
In Progress
Bug description:
[impact]
number of statically defined addresses for an interface in systemd-
networkd is limited
[test case]
Note: this only occurs in a container; this is not reproducable in a
VM or bare metal.
Configure netplan with the attached yaml file (TBD: attach)
enable debug for systemd-networkd
reboot the system and check the journalctl output to see if any errors
were reported for systemd-networkd, e.g.:
$ journalctl -b -u systemd-networkd | grep 'could not set'
Jul 23 13:16:52 lp1930738-b systemd-networkd[189]: eth0: could not set
address: Connection timed out
...
Note that a restart of systemd-networkd may successfully complete
setting up all addresses, so the journal should be checked for errors
instead of only checking for configured addresses
[regression potential]
possible failure to correctly apply all statically defined interfaces
[scope]
this is needed in f and b
this is fixed upstream with commits
628f08b66d43d1947b03419409d817d28eb47321 and PR 16982 which are
included in v246 and later, so this is fixed in h and later
[original description]
This issue was reported at
https://github.com/systemd/systemd/issues/17012
**Used distribution**
> Ubuntu 20.04.1 LTS
**systemd version the issue has been seen with**
> 245.4-4ubuntu3.2
**Issue details**
I configured 255 IPv4 address (including primary IP) using netplan but when
the server restart, it time out on configuring the interface. If I limit total
IPv4 addresses to 181 or less, it works. But anything larger than 181 fails.
Below are my configurations and error logs.
**/etc/netplan/10-ens3.yaml**
```
network:
version: 2
renderer: networkd
ethernets:
ens3:
dhcp4: no
addresses:
- 140.XX.XX.XX/23
- 103.XXX.XX.1/24
- 103.XXX.XX.2/24
- CONTINUED IP ADDRESS UPTO BELOW ...
- 103.XXX.XX.254/24
gateway4: 140.XX.XX.X
nameservers:
addresses: [1.1.1.1, 1.0.0.1]
routes:
- to: 169.254.0.0/16
via: 140.XX.XX.X
metric: 100
```
The above config works if I run `netplan apply` but when I reboot, it does
not work.
**networkctl**
```
IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier unmanaged
2 ens3 ether routable failed
2 links listed.
```
**/etc/systemd/system/systemd-networkd.service.d/override.conf**
```
[Service]
Environment=SYSTEMD_LOG_LEVEL=debug
```
**systemctl status systemd-networkd.service**
```
● systemd-networkd.service - Network Service
Loaded: loaded (/lib/systemd/system/systemd-networkd.service;
enabled-runtime; vendor preset: enabled)
Drop-In: /etc/systemd/system/systemd-networkd.service.d
└─override.conf
Active: active (running) since Thu 2020-09-10 19:46:58 UTC; 1min 36s ago
Docs: man:systemd-networkd.service(8)
Main PID: 346 (systemd-network)
Status: "Processing requests..."
Tasks: 1 (limit: 1074)
Memory: 3.8M
CGroup: /system.slice/systemd-networkd.service
└─346 /lib/systemd/systemd-networkd
Sep 10 19:47:03 test-server systemd-networkd[346]: NDISC: Sent Router
Solicitation, next solicitation in 7s
Sep 10 19:47:11 test-server systemd-networkd[346]: NDISC: No RA received
before link confirmation timeout
Sep 10 19:47:11 test-server systemd-networkd[346]: NDISC: Invoking callback
for 'timeout' event.
Sep 10 19:47:11 test-server systemd-networkd[346]: NDISC: Sent Router
Solicitation, next solicitation in 15s
Sep 10 19:47:23 test-server systemd-networkd[346]: Assertion 'm->sealed'
failed at src/libsystemd/sd-netlink/netlink-message.c:582, function
netlink_message_read_internal(). Ignoring.
Sep 10 19:47:23 test-server systemd-networkd[346]: ens3: Could not set
address: Connection timed out
Sep 10 19:47:23 test-server systemd-networkd[346]: ens3: Failed
Sep 10 19:47:23 test-server systemd-networkd[346]: ens3: State changed:
configuring -> failed
Sep 10 19:47:23 test-server systemd-networkd[346]: Sent message type=signal
sender=n/a destination=n/a path=/org/freedesktop/network1/link/_32
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=13
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Sep 10 19:47:23 test-server systemd-networkd[346]: NDISC: Stopping IPv6
Router Solicitation client
```
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