[  486.309773] netdevsim netdevsim441 eni441np1: renamed from eth0
[  486.409878] netdevsim netdevsim733 eni733np1: renamed from eth1
[  486.761822] Could not find device with ifindex 2000 in netnsfd 11
[  486.761949] Could not find netns with fd: 2000
[  486.762018] Cannot link a netdevsim to itself
[  486.762118] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).