After upgrading from 4.20 to 4.22 , System VM isnt getting internet connection on production server. #12722
Description
problem
After upgrading from 4.20 to 4.22 , System VM isnt connecting internet , ping to 8.8.8.8 is failing .
ran ssvm-check.sh on the secondarystoragevm :
root@s-634-VM:~# /usr/local/cloud/systemvm/ssvm-check.sh
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First DNS server is 192.168.10.1
PING 192.168.10.1 (192.168.10.1): 56 data bytes
64 bytes from 192.168.10.1: icmp_seq=0 ttl=64 time=0.514 ms
64 bytes from 192.168.10.1: icmp_seq=1 ttl=64 time=0.444 ms
--- 192.168.10.1 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.444/0.479/0.514/0.035 ms
Good: Can ping DNS server
================================================
Good: DNS resolves cloudstack.apache.org
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nfs is currently mounted
Mount point is /mnt/SecStorage/77fbce28-3eaa-38ea-87ac-9bee91c393ff
Good: Can write to mount point
Mount point is /mnt/SecStorage/3a7f442d-940a-3bba-97ba-a88ffac04f49
Good: Can write to mount point
================================================
Management server is 192.168.10.30. Checking connectivity.
Good: Can connect to management server 192.168.10.30 port 8250
================================================
Good: Java process is running
================================================
Tests Complete. Look for ERROR or WARNING above.
root@s-634-VM:~# ping google.com
PING google.com (142.250.65.78): 56 data bytes
92 bytes from s-634-VM (<pub ip gateway>): Destination Host Unreachable
92 bytes from s-634-VM (<pub ip gateway>): Destination Host Unreachable
92 bytes from s-634-VM (<pub ip gateway>): Destination Host Unreachable
92 bytes from s-634-VM (<pub ip gateway>): Destination Host Unreachable
^C--- google.com ping statistics ---
5 packets transmitted, 0 packets received, 100% packet loss
root@s-634-VM:~#
kindly help...
versions
Cloudstack mgmt : 4.22 , ubuntu 22.04
kvm host agent : 4.22 , ubuntu 22.04
The steps to reproduce the bug
Upgrade from 4.20 to 4.22.
What to do about it?
Normally upgradation to an lts version should be painless.
Right now upgradation is an nerve wracking activity as our production ACS is down.