[  761.304843][T14747] netdevsim netdevsim461 eni461np1: renamed from eth0
[  761.316282][T14749] netdevsim netdevsim669 eni669np1: renamed from eth1
[  761.867394][T14735] Could not find device with ifindex 2000 in netnsfd 11
[  761.867949][T14735] Could not find netns with fd: 2000
[  761.868407][T14735] Cannot link a netdevsim to itself
[  761.868922][T14735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).