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wsl中迁移ubuntu24.04后docker后无法启动的问题

发生原因

我将外网wsl2中的Ubuntu24.04迁移到内网（无网络）电脑中，发现原本安装的docker无法启动，
在使用 apt-get install docker-ce docker-ce-cli containerd.io重新安装后依然不行

NOTE：迁移后软件会失去注册信息，运行会提示命令未注册，所以需要重新安装。其实系统中已经包含了相关安装包，所以不会联网下载

原因

查看Docker的日志vim /var/log/docker.log显示如下的错误

time="2025-04-09T10:29:59.904691194+08:00" level=info msg="Loading containers: start."
time="2025-04-09T10:30:00.055889722+08:00" level=info msg="stopping event stream following graceful shutdown" error="<nil>" module=libcontainerd namespace=moby
time="2025-04-09T10:30:00.056182637+08:00" level=info msg="stopping healthcheck following graceful shutdown" module=libcontainerd
time="2025-04-09T10:30:00.056254606+08:00" level=info msg="stopping event stream following graceful shutdown" error="context canceled" module=libcontainerd namespace=plugins.moby
failed to start daemon: Error initializing network controller: error obtaining controller instance: failed to register "bridge" driver: failed to add jump rules to ipv4 NAT table: failed to append jump rules to nat-PREROUTING:  (iptables failed: iptables --wait -t nat -A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER: Warning: Extension addrtype revision 0 not supported, missing kernel module?
iptables v1.8.10 (nf_tables):  CHAIN_ADD failed (No such file or directory): chain PREROUTING(exit status 4))

原因是由于迁移后ubuntu系统使用了iptables-nft，而WSL2不支持导致的。

修复

修改为iptables-legacy即可

 root@DESKTOP-5DTRJV0:/home/friday/apt-offline# update-alternatives --config iptables
There are 2 choices for the alternative iptables (providing /usr/sbin/iptables).Selection    Path                       Priority   Status
------------------------------------------------------------
* 0            /usr/sbin/iptables-nft      20        auto mode1            /usr/sbin/iptables-legacy   10        manual mode2            /usr/sbin/iptables-nft      20        manual modePress <enter> to keep the current choice[*], or type selection number: 1
update-alternatives: using /usr/sbin/iptables-legacy to provide /usr/sbin/iptables (iptables) in manual mode
root@DESKTOP-5DTRJV0:/home/friday/apt-offline# service docker start* Starting Docker: docker                                               [ OK ]                                                                                                                                              
root@DESKTOP-5DTRJV0:/home/friday/apt-offline# docker ps
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES