RTNETLINK answers: File exists\n'. cmd=ip link add inje-vms6-1-31 type veth peer name ddd8c3eth31_t #2467
Description
Description
Steps to reproduce the issue:
Not sure how to repro. but here is what I see.
once system in such bad states, all subsequent operations will fail. Need to improve vm_topology to handle such bad states gracefully.
lgh@jenkins-worker-19:/tmp$ cat vmtopology.exception.2020-11-05T12\:09\:10.471468.txt
Traceback (most recent call last):
File "/tmp/ansible_vm_topology_payload_0e5muxs5/__main__.py", line 988, in main
net.add_injected_fp_ports_to_docker()
File "/tmp/ansible_vm_topology_payload_0e5muxs5/__main__.py", line 290, in add_injected_fp_ports_to_docker
self.add_veth_if_to_docker(ext_if, int_if)
File "/tmp/ansible_vm_topology_payload_0e5muxs5/__main__.py", line 383, in add_veth_if_to_docker
VMTopology.cmd("ip link add %s type veth peer name %s" % (ext_if, t_int_if))
File "/tmp/ansible_vm_topology_payload_0e5muxs5/__main__.py", line 694, in cmd
raise Exception("ret_code=%d, error message=%s. cmd=%s" % (ret_code, stderr, cmdline))
Exception: ret_code=2, error message=b'RTNETLINK answers: File exists\n'. cmd=ip link add inje-vms6-1-31 type veth peer name ddd8c3eth31_t
lgh@jenkins-worker-19:/tmp$ ip link show | grep inj
2786824: ddd8c3eth31_t@inj-vms6-1-31: <BROADCAST,MULTICAST> mtu 9216 qdisc noop state DOWN mode DEFAULT group default qlen 1000
2786825: inj-vms6-1-31@ddd8c3eth31_t: <NO-CARRIER,BROADCAST,MULTICAST,UP,M-DOWN> mtu 9216 qdisc noqueue master ovs-system state LOWERLAYERDOWN mode DEFAULT group default qlen 1000
2786826: ddd8c3eth30_t@inj-vms6-1-30: <BROADCAST,MULTICAST> mtu 9216 qdisc noop state DOWN mode DEFAULT group default qlen 1000
2786827: inj-vms6-1-30@ddd8c3eth30_t: <NO-CARRIER,BROADCAST,MULTICAST,UP,M-DOWN> mtu 9216 qdisc noqueue master ovs-system state LOWERLAYERDOWN mode DEFAULT group default qlen 1000
2786828: ddd8c3eth29_t@inj-vms6-1-29: <BROADCAST,MULTICAST> mtu 9216 qdisc noop state DOWN mode DEFAULT group default qlen 1000
2786829: inj-vms6-1-29@ddd8c3eth29_t: <NO-CARRIER,BROADCAST,MULTICAST,UP,M-DOWN> mtu 9216 qdisc noqueue master ovs-system state LOWERLAYERDOWN mode DEFAULT group default qlen 1000
2786830: ddd8c3eth28_t@inj-vms6-1-28: <BROADCAST,MULTICAST> mtu 9216 qdisc noop state DOWN mode DEFAULT group default qlen 1000
2786831: inj-vms6-1-28@ddd8c3eth28_t: <NO-CARRIER,BROADCAST,MULTICAST,UP,M-DOWN> mtu 9216 qdisc noqueue master ovs-system state LOWERLAYERDOWN mode DEFAULT group default qlen 1000
600: inje-vms6-3-31@if599: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9216 qdisc noqueue master ovs-system state UP mode DEFAULT group default qlen 1000
602: inje-vms6-3-30@if601: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9216 qdisc noqueue master ovs-system state UP mode DEFAULT group default qlen 1000
604: inje-vms6-3-29@if603: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9216 qdisc noqueue master ovs-system state UP mode DEFAULT group default qlen 1000
606: inje-vms6-3-28@if605: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9216 qdisc noqueue master ovs-system state UP mode DEFAULT group default qlen 1000
Describe the results you received:
Describe the results you expected:
Additional information you deem important:
**Output of `show version`:**
```
(paste your output here)
```
**Attach debug file `sudo generate_dump`:**
```
(paste your output here)
```