[  490.761807] netdevsim netdevsim416 eni416np1: renamed from eth0
[  490.762424] netdevsim netdevsim619 eni619np1: renamed from eth1
[  490.854741] Could not find device with ifindex 2000 in netnsfd 11
[  490.854846] Could not find netns with fd: 2000
[  490.854891] Cannot link a netdevsim to itself
[  490.854944] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).