[  473.100610] netdevsim netdevsim476 eni476np1: renamed from eth0
[  473.101079] netdevsim netdevsim528 eni528np1: renamed from eth1
[  473.182743] Could not find device with ifindex 2000 in netnsfd 11
[  473.182868] Could not find netns with fd: 2000
[  473.182982] Cannot link a netdevsim to itself
[  473.183099] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).