[  471.844274] netdevsim netdevsim566 eni566np1: renamed from eth1
[  471.845201] netdevsim netdevsim342 eni342np1: renamed from eth0
[  471.921177] Could not find device with ifindex 2000 in netnsfd 11
[  471.921293] Could not find netns with fd: 2000
[  471.921381] Cannot link a netdevsim to itself
[  471.921480] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).