[  490.338696] netdevsim netdevsim467 eni467np1: renamed from eth0
[  490.434622] netdevsim netdevsim576 eni576np1: renamed from eth1
[  490.683137] Could not find device with ifindex 2000 in netnsfd 11
[  490.683425] Could not find netns with fd: 2000
[  490.683533] Cannot link a netdevsim to itself
[  490.683643] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).