Your config file is apparently named /etc/netplan/netplan.conf, which
does not match the required "*.yaml" pattern (which is documented in the
netplan(5) manpage and elsewhere).
** Changed in: netplan.io (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1761294
Title:
Network configuration doesn't survive reboots after bionic dist-
upgrade
Status in cloud-init package in Ubuntu:
New
Status in ifupdown package in Ubuntu:
New
Status in netplan.io package in Ubuntu:
Invalid
Bug description:
I deployed Xenial in this machine with MAAS. After deployment i had
re-configured interfaces manually (on /etc/network/interfaces), and
removed /etc/network/interfaces.d. At some point, I upgraded the
machine from Xenial to Bionic, and everything was working just fine
with /e/n/i.
About 2/3 weeks ago, I dist-upgraded bionic for the latest packages,
and after reboot, networking didn't come up.
To recover the machine, what i did is:
1. From the console, brought up the interfaces manually (eno1)
2. added an IP address manually (ip addr add)
3. Configured netplan and applied the config:
network:
version: 2
renderer: networkd
ethernets:
eno1:
dhcp4: no
dhcp6: no
addresses: [192.168.1.13/24]
gateway4: 192.168.1.1
nameservers:
addresses: [8.8.8.8, 8.8.4.4]
usb0:
dhcp4: no
bridges:
br0:
interfaces: [usb0]
dhcp4: no
addresses: [10.90.90.1/24]
parameters:
stp: false
forward-delay: 0
max-age: 0
5. Interfaces dont get configured correctly:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
17: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
group default qlen 1000
link/ether ec:a8:6b:fd:ac:70 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.13/24 scope global eno1
valid_lft forever preferred_lft forever
inet6 fe80::eea8:6bff:fefd:ac70/64 scope link
valid_lft forever preferred_lft forever
19: usb0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP
group default qlen 1000
link/ether 00:0e:c6:88:b7:9f brd ff:ff:ff:ff:ff:ff
inet6 fe80::20e:c6ff:fe88:b79f/64 scope link
valid_lft forever preferred_lft forever
22: wlp2s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
default qlen 1000
link/ether c4:d9:87:5b:42:62 brd ff:ff:ff:ff:ff:ff
6. on reboot, the machine goes back to have no networking again, at
all.
Note that I also have /e/n/i configured.
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