[  488.765569] netdevsim netdevsim649 eni649np1: renamed from eth1
[  488.862756] netdevsim netdevsim375 eni375np1: renamed from eth0
[  489.083356] Could not find device with ifindex 2000 in netnsfd 11
[  489.083524] Could not find netns with fd: 2000
[  489.083596] Cannot link a netdevsim to itself
[  489.083684] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).