[  473.783361] netdevsim netdevsim471 eni471np1: renamed from eth0
[  473.784660] netdevsim netdevsim602 eni602np1: renamed from eth1
[  473.867759] Could not find device with ifindex 2000 in netnsfd 11
[  473.867841] Could not find netns with fd: 2000
[  473.867885] Cannot link a netdevsim to itself
[  473.867935] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).