[  772.095309][T14754] netdevsim netdevsim461 eni461np1: renamed from eth0
[  772.114712][T14756] netdevsim netdevsim720 eni720np1: renamed from eth1
[  772.704585][T14742] Could not find device with ifindex 2000 in netnsfd 11
[  772.705129][T14742] Could not find netns with fd: 2000
[  772.705484][T14742] Cannot link a netdevsim to itself
[  772.705956][T14742] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).