无法通过网络连接到 Azure Linux 虚拟机解决方案

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huangbowen2005 2022-03-31 22:16:39 博主文章分类：Microsoft Azure ©著作权

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本文将介绍网络错误阻止连接到 Azure Linux 虚拟机的问题。

问题现象

Azure Linux 虚拟机上的主接口 (VM) eth0。如果未配置 eth0，则不能通过网络连接访问 VM，即使其他工具指示 VM 已启动。

出现问题时，安全命令行管理 (SSH) 具有正确权限的连接可能会开始连接到 VM。但是，由于网络问题，它最终无法访问 VM。

网络错误通常记录在串行控制台日志中。具体而言，您可能会看到以下错误。

串行控制台日志中的错误

CentOS Linux 分发错误

错误 1

Bringing up interface eth0:
Device eth0 does not seem to be present, delaying initialization.
[FAILED]

错误 2
Bringing up loopback interface: [ OK ]
Bringing up interface eth0: Device eth0 has different MAC address than expected, ignoring.
[FAILED]

错误 3
YYYY/MM/DD HH:MM:SS Discovered Windows Azure endpoint: ###.##.###.##
/usr/sbin/waagent:2275: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6
Error('socket IOError ' + e.message + ' args: ' + repr(e.args))
YYYY/MM/DD HH:MM:SS ERROR:socket IOError args: (113, 'No route to host')
YYYY/MM/DD HH:MM:SS ERROR:socket IOError args: (113, 'No route to host')
Failed services in runlevel 3:network
错误 4

login: YYYY/MM/DD HH:MM:SS ERROR:timed out
YYYY/MM/DD HH:MM:SS ERROR:Traceback (most recent call last):
YYYY/MM/DD HH:MM:SS ERROR: File "/usr/sbin/waagent", line 3395, in DoDhcpWork
YYYY/MM/DD HH:MM:SS ERROR: receiveBuffer = sock.recv(1024)
YYYY/MM/DD HH:MM:SS ERROR:timeout: timed out
YYYY/MM/DD HH:MM:SS ERROR:
YYYY/MM/DD HH:MM:SS DoDhcpWork: Setting socket.timeout=10, entering recv
YYYY/MM/DD HH:MM:SS ERROR:timed out
YYYY/MM/DD HH:MM:SS ERROR:Traceback (most recent call last):
YYYY/MM/DD HH:MM:SS ERROR: File "/usr/sbin/waagent", line 3395, in DoDhcpWork
YYYY/MM/DD HH:MM:SS ERROR: receiveBuffer = sock.recv(1024)
YYYY/MM/DD HH:MM:SS ERROR:timeout: timed out
Customer changed the IP from DHCP to FIXED

SUSE Linux 分发错误

Setting up (localfs) network interfaces:
lo
lo IP address: 127.0.0.1/8
IP address: 127.0.0.2/8
done eth4
No configuration found for eth4
unused Waiting for mandatory devices: eth0
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
eth0 No interface found

Ubuntu

错误 1

cloud-init-nonet waiting 120 seconds for a network device.
cloud-init-nonet gave up waiting for a network device.
ci-info: lo : 1 127.0.0.1 255.0.0.0 .
ci-info: eth1 : 0 . . 00:0d:3a:10:6a:53
route_info failed
Waiting for network configuration...
Waiting up to 60 more seconds for network configuration...
Booting system without full network configuration...
错误 2

ci-info: | eth0 | False | . | . | 00:0d:3a:21:f9:ad |
ci-info: +--------+-------+-----------+-----------+-------------------+
ci-info: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Route info failed!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!