[  489.986979] netdevsim netdevsim411 eni411np1: renamed from eth0
[  490.084162] netdevsim netdevsim578 eni578np1: renamed from eth1
[  490.284109] Could not find device with ifindex 2000 in netnsfd 11
[  490.284319] Could not find netns with fd: 2000
[  490.284424] Cannot link a netdevsim to itself
[  490.284550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).