[  522.604711] netdevsim netdevsim757 eni757np1: renamed from eth1
[  522.702612] netdevsim netdevsim296 eni296np1: renamed from eth0
[  522.981741] Could not find device with ifindex 2000 in netnsfd 11
[  522.981985] Could not find netns with fd: 2000
[  522.982118] Cannot link a netdevsim to itself
[  522.982262] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).