[  474.073896] netdevsim netdevsim453 eni453np1: renamed from eth0
[  474.170686] netdevsim netdevsim579 eni579np1: renamed from eth1
[  474.420635] Could not find device with ifindex 2000 in netnsfd 11
[  474.420885] Could not find netns with fd: 2000
[  474.421004] Cannot link a netdevsim to itself
[  474.421143] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).