[  473.249516] netdevsim netdevsim425 eni425np1: renamed from eth0
[  473.251861] netdevsim netdevsim604 eni604np1: renamed from eth1
[  473.329723] Could not find device with ifindex 2000 in netnsfd 11
[  473.329867] Could not find netns with fd: 2000
[  473.329970] Cannot link a netdevsim to itself
[  473.330084] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).