[  810.049393][T15481] netdevsim netdevsim468 eni468np1: renamed from eth0
[  810.066409][T15483] netdevsim netdevsim550 eni550np1: renamed from eth1
[  810.753895][T15470] Could not find device with ifindex 2000 in netnsfd 11
[  810.754494][T15470] Could not find netns with fd: 2000
[  810.755046][T15470] Cannot link a netdevsim to itself
[  810.755621][T15470] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).