[  473.587170] netdevsim netdevsim342 eni342np1: renamed from eth0
[  473.588397] netdevsim netdevsim610 eni610np1: renamed from eth1
[  473.661539] Could not find device with ifindex 2000 in netnsfd 11
[  473.661676] Could not find netns with fd: 2000
[  473.661791] Cannot link a netdevsim to itself
[  473.661904] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).