[  522.424437] netdevsim netdevsim294 eni294np1: renamed from eth0
[  522.521706] netdevsim netdevsim712 eni712np1: renamed from eth1
[  522.768730] Could not find device with ifindex 2000 in netnsfd 11
[  522.768885] Could not find netns with fd: 2000
[  522.768957] Cannot link a netdevsim to itself
[  522.769054] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).