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错误：连接激活失败：无法找到此连接的兼容设备

tag-icon • tag-icon linux linux-networking namespaces network-namespace
错误：连接激活失败：无法找到此连接的兼容设备

嗨，我是 Linux 新手，如有任何错误请原谅。

我已经配置了网络命名空间本地路由表并在命名空间内启动了接口 eth3：

# ip netns exec local-routeTable ifconfig
eth3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 9000
        inet 10.2.32.1  netmask 255.255.240.0  broadcast 10.2.47.255
        inet6 fe80::b3ff:fe12:84d7  prefixlen 64  scopeid 0x20<link>
        ether 02:00:b3:12:84:d7  txqueuelen 1000  (Ethernet)
        RX packets 503  bytes 64792 (63.2 KiB)
        RX errors 0  dropped 283  overruns 0  frame 0
        TX packets 152  bytes 30010 (29.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

到目前为止一切都很好，但现在我想在我的 root/default 命名空间中启动一个子接口 eth3.1：

# cat /etc/sysconfig/network-scripts/ifcfg-eth3.1
DEVICE=eth3.1
BOOTPROTO=none
IPADDR=10.2.16.1
ONBOOT=yes
VLAN=yes
NETMASK=255.255.240.0

但一直遇到这个问题：

[root@wdc-10-206-223-62 tmp]# ifup eth3.1
WARN      : [ifup] You are using 'ifup' script provided by 'network-scripts', which are now deprecated.
WARN      : [ifup] 'network-scripts' will be removed in one of the next major releases of RHEL.
WARN      : [ifup] It is advised to switch to 'NetworkManager' instead - it provides 'ifup/ifdown' scripts as well.
Error: Connection activation failed: Failed to find a compatible device for this connection

即使我尝试在 eth3 接口启动的命名空间内启动子接口，它仍然会因同样的问题而失败：

[root@wdc-10-206-223-62 tmp]# ip netns exec local-routeTable ifup eth3.1
WARN      : [ifup] You are using 'ifup' script provided by 'network-scripts', which are now deprecated.
WARN      : [ifup] 'network-scripts' will be removed in one of the next major releases of RHEL.
WARN      : [ifup] It is advised to switch to 'NetworkManager' instead - it provides 'ifup/ifdown' scripts as well.
Error: Connection activation failed: Failed to find a compatible device for this connection

我对命名空间还不熟悉，任何能够解决这个问题以及深入研究命名空间的指针都将受到赞赏。

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