[  457.122356] netdevsim netdevsim411 eni411np1: renamed from eth0
[  457.123141] netdevsim netdevsim728 eni728np1: renamed from eth0
[  457.210590] Could not find device with ifindex 2000 in netnsfd 11
[  457.210739] Could not find netns with fd: 2000
[  457.210862] Cannot link a netdevsim to itself
[  457.210981] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).