[  483.809397] netdevsim netdevsim381 eni381np1: renamed from eth0
[  483.810127] netdevsim netdevsim658 eni658np1: renamed from eth1
[  483.903092] Could not find device with ifindex 2000 in netnsfd 11
[  483.903244] Could not find netns with fd: 2000
[  483.903356] Cannot link a netdevsim to itself
[  483.903470] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).