[  522.357327] netdevsim netdevsim575 eni575np1: renamed from eth1
[  522.453990] netdevsim netdevsim332 eni332np1: renamed from eth0
[  522.681583] Could not find device with ifindex 2000 in netnsfd 11
[  522.681809] Could not find netns with fd: 2000
[  522.681908] Cannot link a netdevsim to itself
[  522.682025] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).