[  484.099325] netdevsim netdevsim396 eni396np1: renamed from eth0
[  484.099856] netdevsim netdevsim550 eni550np1: renamed from eth1
[  484.190069] Could not find device with ifindex 2000 in netnsfd 11
[  484.190164] Could not find netns with fd: 2000
[  484.190208] Cannot link a netdevsim to itself
[  484.190260] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).