[  696.780089][T13055] netdevsim netdevsim481 eni481np1: renamed from eth0
[  696.807373][T13057] netdevsim netdevsim540 eni540np1: renamed from eth1
[  697.437192][T13043] Could not find device with ifindex 2000 in netnsfd 11
[  697.438036][T13043] Could not find netns with fd: 2000
[  697.438460][T13043] Cannot link a netdevsim to itself
[  697.438936][T13043] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).