[  457.981482] netdevsim netdevsim395 eni395np1: renamed from eth0
[  457.981884] netdevsim netdevsim538 eni538np1: renamed from eth1
[  458.086583] Could not find device with ifindex 2000 in netnsfd 11
[  458.086701] Could not find netns with fd: 2000
[  458.086755] Cannot link a netdevsim to itself
[  458.086818] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).