Full log output:
root@ubuntu:~# SYSTEMD_LOG_LEVEL=debug /lib/systemd/systemd-networkd
Failed to read $container of PID 1, ignoring: Permission denied
Found container virtualization none.
Bus n/a: changing state UNSET → OPENING
Bus n/a: changing state OPENING → AUTHENTICATING
Failed to open configuration file '/etc/systemd/networkd.conf': No such file or
directory
timestamp of '/etc/systemd/network' changed
timestamp of '/run/systemd/network' changed
Ignoring /run/systemd/network/10-netplan-all.network, because it's not a
regular file with suffix .netdev.
Ignoring /lib/systemd/network/80-container-vz.network, because it's not a
regular file with suffix .netdev.
Ignoring /lib/systemd/network/80-container-ve.network, because it's not a
regular file with suffix .netdev.
Ignoring /lib/systemd/network/80-container-host0.network, because it's not a
regular file with suffix .netdev.
Ignoring /lib/systemd/network/99-default.link, because it's not a regular file
with suffix .netdev.
Ignoring /lib/systemd/network/99-default.link, because it's not a regular file
with suffix .network.
ens6: Flags change: +UP +LOWER_UP +RUNNING +MULTICAST +BROADCAST
ens6: Link 2 added
ens6: udev initialized link
ens6: Saved original MTU: 64000
lo: Flags change: +LOOPBACK +UP +LOWER_UP +RUNNING
lo: Link 1 added
lo: udev initialized link
lo: Saved original MTU: 0
ens6: Adding address: fe80::1:71ff:fe8f:cc72/64 (valid forever)
ens6: Gained IPv6LL
lo: Adding address: ::1/128 (valid forever)
lo: Adding address: 127.0.0.1/8 (valid forever)
rtnl: received address with invalid family 129, ignoring
Enumeration completed
Bus n/a: changing state AUTHENTICATING → HELLO
Sent message type=method_call sender=n/a destination=org.freedesktop.DBus
path=/org/freedesktop/DBus interface=org.freedesktop.DBus member=Hello cookie=1
reply_cookie=0 signature=n/a error-name=n/a error-message=n/a
Sent message type=method_call sender=n/a destination=org.freedesktop.DBus
path=/org/freedesktop/DBus interface=org.freedesktop.DBus member=RequestName
cookie=2 reply_cookie=0 signature=su error-name=n/a error-message=n/a
Sent message type=method_call sender=n/a destination=org.freedesktop.DBus
path=/org/freedesktop/DBus interface=org.freedesktop.DBus member=AddMatch
cookie=3 reply_cookie=0 signature=s error-name=n/a error-message=n/a
Sent message type=signal sender=n/a destination=n/a
path=/org/freedesktop/network1/link/_32
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=4
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Sent message type=signal sender=n/a destination=n/a
path=/org/freedesktop/network1/link/_31
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=5
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Sent message type=signal sender=n/a destination=n/a
path=/org/freedesktop/network1/link/_32
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=6
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Sent message type=signal sender=n/a destination=n/a
path=/org/freedesktop/network1 interface=org.freedesktop.DBus.Properties
member=PropertiesChanged cookie=7 reply_cookie=0 signature=sa{sv}as
error-name=n/a error-message=n/a
Got message type=method_return sender=org.freedesktop.DBus destination=:1.46
path=n/a interface=n/a member=n/a cookie=1 reply_cookie=1 signature=s
error-name=n/a error-message=n/a
Bus n/a: changing state HELLO → RUNNING
ens6: Link state is up-to-date
lo: Link does not request DHCPv6 prefix delegation
LLDP: Started LLDP client
ens6: Started LLDP.
ens6: Acquiring DHCPv4 lease
DHCP CLIENT (0x33b0d848): STARTED on ifindex 2
ens6: Discovering IPv6 routers
NDISC: Started IPv6 Router Solicitation client
Sent message type=signal sender=n/a destination=n/a
path=/org/freedesktop/network1/link/_32
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=8
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Sent message type=signal sender=n/a destination=n/a
path=/org/freedesktop/network1/link/_32
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=9
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Sent message type=signal sender=n/a destination=n/a
path=/org/freedesktop/network1/link/_32
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
NDISC: Sent Router Solicitation, next solicitation in 4s
DHCP CLIENT (0x33b0d848): DISCOVER
DHCP CLIENT (0x33b0d848): received lease lacks address, server address or lease
lifetime, ignoring
Got message type=signal sender=org.freedesktop.DBus.Local destination=n/a
path=/org/freedesktop/DBus/Local interface=org.freedesktop.DBus.Local
member=Connected cookie=4294967295 reply_cookie=0 signature=n/a error-name=n/a
error-message=n/a
Got message type=signal sender=org.freedesktop.DBus destination=:1.46
path=/org/freedesktop/DBus interface=org.freedesktop.DBus member=NameAcquired
cookie=2 reply_cookie=0 signature=s error-name=n/a error-message=n/a
Got message type=method_return sender=org.freedesktop.DBus destination=:1.46
path=n/a interface=n/a member=n/a cookie=3 reply_cookie=2 signature=u
error-name=n/a error-message=n/a
Requested service name already owned, failing connection.
Bus n/a: changing state RUNNING → CLOSING
Unable to add match
type='signal',sender='org.freedesktop.login1',path='/org/freedesktop/login1',interface='org.freedesktop.login1.Manager',member='PrepareForSleep',
failing connection: Connection terminated
Bus n/a: changing state CLOSING → CLOSED
lo: Link state is up-to-date
lo: Configured
DHCP CLIENT (0x33b0d848): DISCOVER
DHCP CLIENT (0x33b0d848): received lease lacks address, server address or lease
lifetime, ignoring
NDISC: Sent Router Solicitation, next solicitation in 8s
DHCP CLIENT (0x33b0d848): DISCOVER
DHCP CLIENT (0x33b0d848): received lease lacks address, server address or lease
lifetime, ignoring
^CDHCP CLIENT (0x33b0d848): FREE
root@ubuntu:~#
--
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/1779721
Title:
systemd-networkd does not configure DHCPv4
Status in netplan.io package in Ubuntu:
Invalid
Status in systemd package in Ubuntu:
Confirmed
Bug description:
I have an up-to-date Ubuntu 18.04 (bionic) server installation (with
systemd 237-3ubuntu10) which has following netplan configuration:
```
root@ubuntu:~# cat /etc/netplan/01-netcfg.yaml
# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
version: 2
renderer: networkd
ethernets:
all:
match: {}
dhcp4: yes
root@ubuntu:~# cat /run/systemd/network/10-netplan-all.network
[Match]
[Network]
DHCP=ipv4
[DHCP]
UseMTU=true
RouteMetric=100
```
Despite having DHCPv4 configured, no IPv4 address is configured on the
ethernet device:
```
root@ubuntu:~# ip a show ens6
2: ens6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 64000 qdisc fq_codel state UP
group default qlen 1000
link/ether 02:01:71:8f:cc:72 brd ff:ff:ff:ff:ff:ff
inet6 fe80::1:71ff:fe8f:cc72/64 scope link
valid_lft forever preferred_lft forever
```
The kernel dmesg has no related messages and the journal log also
looks normal:
```
root@ubuntu:~# journalctl -u systemd-networkd
Jul 02 16:36:51 ubuntu systemd[1]: Starting Network Service...
Jul 02 16:36:51 ubuntu systemd-networkd[1790]: ens6: Gained IPv6LL
Jul 02 16:36:51 ubuntu systemd-networkd[1790]: Enumeration completed
Jul 02 16:36:51 ubuntu systemd[1]: Started Network Service.
Jul 02 16:36:51 ubuntu systemd-networkd[1790]: lo: Link is not managed by us
Jul 02 16:36:51 ubuntu systemd-networkd[1790]: lo: Configured
```
Calling dhclient sets up the device correctly:
```
root@ubuntu:~# dhclient ens6
root@ubuntu:~# cat /var/lib/dhcp/dhclient.leases
lease {
interface "ens6";
fixed-address 87.106.172.36;
option subnet-mask 255.255.255.255;
option dhcp-lease-time 600;
option routers 87.106.172.1;
option dhcp-message-type 5;
option domain-name-servers 46.16.74.70,46.16.72.37;
option dhcp-server-identifier 87.106.172.1;
option interface-mtu 64000;
option host-name "ubuntu-18_04-fkb-2018-07-02";
renew 1 2018/07/02 16:46:51;
rebind 1 2018/07/02 16:51:31;
expire 1 2018/07/02 16:52:46;
}
root@ubuntu:~# ip a show ens6
2: ens6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 64000 qdisc fq_codel state UP
group default qlen 1000
link/ether 02:01:71:8f:cc:72 brd ff:ff:ff:ff:ff:ff
inet 87.106.172.36/32 brd 87.106.172.36 scope global ens6
valid_lft forever preferred_lft forever
inet6 fe80::1:71ff:fe8f:cc72/64 scope link
valid_lft forever preferred_lft forever
```
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/1779721/+subscriptions
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