[  489.437592] netdevsim netdevsim557 eni557np1: renamed from eth1
[  489.534023] netdevsim netdevsim282 eni282np1: renamed from eth0
[  489.764537] Could not find device with ifindex 2000 in netnsfd 11
[  489.764837] Could not find netns with fd: 2000
[  489.764955] Cannot link a netdevsim to itself
[  489.765072] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).