[  522.046339] netdevsim netdevsim463 eni463np1: renamed from eth0
[  522.142789] netdevsim netdevsim536 eni536np1: renamed from eth1
[  522.411225] Could not find device with ifindex 2000 in netnsfd 11
[  522.411410] Could not find netns with fd: 2000
[  522.411510] Cannot link a netdevsim to itself
[  522.411625] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).