[  445.777318] netdevsim netdevsim417 eni417np1: renamed from eth0
[  445.879001] netdevsim netdevsim624 eni624np1: renamed from eth1
[  446.235620] Could not find device with ifindex 2000 in netnsfd 11
[  446.235793] Could not find netns with fd: 2000
[  446.235890] Cannot link a netdevsim to itself
[  446.236030] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).