I followed this link to add the bridge manually
opened 03:11PM - 13 Sep 20 UTC
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### Expected behavior
### Actual behavior
### Steps to reproduce the behavior
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**Output of `docker version`:**
```
Docker version 19.03.12, build 48a66213fe
```
**Output of `docker info`:**
```
Client:
Debug Mode: false
Server:
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 19.03.12
Storage Driver: overlay2
Backing Filesystem: xfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 7ad184331fa3e55e52b890ea95e65ba581ae3429
runc version: dc9208a3303feef5b3839f4323d9beb36df0a9dd
init version: fec3683
Security Options:
seccomp
Profile: default
Kernel Version: 3.10.0-1127.19.1.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 2
Total Memory: 3.7GiB
Name: XXXMachine
ID: UDX4:5ZLP:Z3R5:NS3G:IPSF:4HCA:7HXQ:IRER:SV63:LJJ4:IUUW:MGGK
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
```
**Additional environment details (AWS, VirtualBox, physical, etc.)**
KVM Open Nebula - OS Centos 7
I have suddenly Docker stop working and cannot start,
Journalctl -xe
```
-- Unit docker.service has finished shutting down.
Sep 13 20:51:10 XXXMachine systemd[1]: Closed Docker Socket for the API.
-- Subject: Unit docker.socket has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.socket has finished shutting down.
Sep 13 20:51:10 XXXMachine systemd[1]: Stopping Docker Socket for the API.
-- Subject: Unit docker.socket has begun shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.socket has begun shutting down.
Sep 13 20:51:10 XXXMachine systemd[1]: Starting Docker Socket for the API.
-- Subject: Unit docker.socket has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.socket has begun starting up.
Sep 13 20:51:10 XXXMachine systemd[1]: Listening on Docker Socket for the API.
-- Subject: Unit docker.socket has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.socket has finished starting up.
```
Found this at /var/log/messages
```
Sep 13 20:47:37 XXXMachine dockerd: time="2020-09-13T20:47:37.358504531+07:00" level=warning msg="Runnin
g modprobe bridge br_netfilter failed with message: , error: exit status 1"
Sep 13 20:47:37 XXXMachine dockerd: time="2020-09-13T20:47:37.360959332+07:00" level=warning msg="Runnin
g iptables --wait -t nat -L -n failed with message: `iptables v1.4.21: can't initialize iptables table `
nat': Table does not exist (do you need to insmod?)\nPerhaps iptables or your kernel needs to be upgrade
d.`, error: exit status 3"
Sep 13 20:47:37 XXXMachine dockerd: time="2020-09-13T20:47:37.416045671+07:00" level=info msg="stopping
event stream following graceful shutdown" error="<nil>" module=libcontainerd namespace=moby
Sep 13 20:47:37 XXXMachine dockerd: failed to start daemon: Error initializing network controller: error
obtaining controller instance: failed to create NAT chain DOCKER: iptables failed: iptables -t nat -N D
OCKER: iptables v1.4.21: can't initialize iptables table `nat': Table does not exist (do you need to ins
mod?)
Sep 13 20:47:37 XXXMachine dockerd: Perhaps iptables or your kernel needs to be upgraded.
Sep 13 20:47:37 XXXMachine dockerd: (exit status 3)
```
I did :
yum update -y
yum upgrade -y
Then started again docker with systemd, but same issue happen, finally I tried to reboot the VM after it, I started again
then docker went start dan run again.
Why it can be happen in my case? Please addvice.
sudo apt-get install bridge-utils