[  474.341447] netdevsim netdevsim410 eni410np1: renamed from eth0
[  474.342124] netdevsim netdevsim542 eni542np1: renamed from eth1
[  474.438783] Could not find device with ifindex 2000 in netnsfd 11
[  474.438887] Could not find netns with fd: 2000
[  474.438938] Cannot link a netdevsim to itself
[  474.438991] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).