Suddenly some of my containers lose internet connection. I’m using ovn networks and lxd projects.
Seems like the ovn issue, but i can’t figure out the cause. After reboot some networks start working while others that worked before stop.
Here is output from two containers and network info
root@xxx-playground-1:~# lxc shell c1 --project=8856
root@c1:~# ping -c 1 google.com
PING google.com (142.250.191.110) 56(84) bytes of data.
64 bytes from ord38s28-in-f14.1e100.net (142.250.191.110): icmp_seq=1 ttl=44 time=18.0 ms
--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 17.973/17.973/17.973/0.000 ms
root@c1:~# traceroute -m 3 8.8.8.8
traceroute to 8.8.8.8 (8.8.8.8), 3 hops max, 60 byte packets
1 xxx-playground-1 (172.32.0.1) 0.960 ms 0.719 ms 0.782 ms
2 _gateway.lxd (10.0.0.1) 0.578 ms 0.561 ms 0.535 ms
3 * * *
root@c1:~# logout
root@xxx-playground-1:~# lxc shell c2 --project=8856
root@c2:~# ping -c 1 google.com
ping: google.com: Temporary failure in name resolution
root@c2:~# traceroute -m 3 8.8.8.8
traceroute to 8.8.8.8 (8.8.8.8), 3 hops max, 60 byte packets
1 172.32.0.1 (172.32.0.1) 0.833 ms 0.632 ms 0.761 ms
2 * * *
3 * * *
root@c2:~# logout
root@xxx-playground-1:~# lxc network list --project=8856
+------------------+------+---------+---------------+------+-------------+---------+---------+
| NAME | TYPE | MANAGED | IPV4 | IPV6 | DESCRIPTION | USED BY | STATE |
+------------------+------+---------+---------------+------+-------------+---------+---------+
| b-dunx2ryqeemzax | ovn | YES | 172.32.0.1/24 | none | | 2 | CREATED |
+------------------+------+---------+---------------+------+-------------+---------+---------+
| b-tpxa1tfesa0y9p | ovn | YES | 172.32.0.1/24 | none | | 1 | CREATED |
+------------------+------+---------+---------------+------+-------------+---------+---------+
| b-yi1ikajgyibw5j | ovn | YES | 172.32.0.1/24 | none | | 3 | CREATED |
+------------------+------+---------+---------------+------+-------------+---------+---------+
root@xxx-playground-1:~# lxc network show b-tpxa1tfesa0y9p --project=8856
config:
bridge.mtu: "1500"
dns.domain: xxx.internal
ipv4.address: 172.32.0.1/24
ipv4.nat: "true"
ipv6.address: none
network: b-uplink
volatile.network.ipv4.address: 10.0.1.19
description: ""
name: b-tpxa1tfesa0y9p
type: ovn
used_by:
- /1.0/instances/c1?project=8856
managed: true
status: Created
locations:
- xxx-playground-1
root@xxx-playground-1:~# lxc network show b-yi1ikajgyibw5j --project=8856
config:
bridge.mtu: "1500"
dns.domain: xxx.internal
ipv4.address: 172.32.0.1/24
ipv4.nat: "true"
ipv6.address: none
network: b-uplink
volatile.network.ipv4.address: 10.0.0.14
description: ""
name: b-yi1ikajgyibw5j
type: ovn
used_by:
- /1.0/instances/c2?project=8856
- /1.0/instances/docker?project=8856
- /1.0/instances/martin-apache-mysql?project=8856
managed: true
status: Created
locations:
- xxx-playground-1
root@xxx-playground-1:~# lxc network show b-uplink
config:
ipv4.address: 10.0.0.1/8
ipv4.dhcp.ranges: 10.0.0.2-10.0.0.2
ipv4.nat: "true"
ipv4.ovn.ranges: 10.0.0.3-10.255.255.254
ipv6.address: none
description: ""
name: b-uplink
type: bridge
used_by:
- /1.0/networks/b-a07z9pusv1v9ta
- /1.0/networks/b-a07z9pusv1v9ta?project=147269
- /1.0/networks/b-a1tgywhnvs4m8p?project=148084
- /1.0/networks/b-a866m5ijdn6ygj?project=146033
...
- /1.0/networks/b-ze24jnpzeb9yja?project=148142
- /1.0/networks/b-zoisght76r5ull?project=148032
- /1.0/networks/b-zqs6oxruy957et?project=145814
managed: true
status: Created
locations:
- xxx-playground-1