[  472.844009] netdevsim netdevsim484 eni484np1: renamed from eth0
[  472.844336] netdevsim netdevsim641 eni641np1: renamed from eth1
[  472.923247] Could not find device with ifindex 2000 in netnsfd 11
[  472.923334] Could not find netns with fd: 2000
[  472.923380] Cannot link a netdevsim to itself
[  472.923432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).