[  713.182474][T13057] netdevsim netdevsim511 eni511np1: renamed from eth0
[  713.199865][T13059] netdevsim netdevsim694 eni694np1: renamed from eth1
[  713.888589][T13045] Could not find device with ifindex 2000 in netnsfd 11
[  713.889591][T13045] Could not find netns with fd: 2000
[  713.890104][T13045] Cannot link a netdevsim to itself
[  713.890659][T13045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).