[  780.176677][T14763] netdevsim netdevsim453 eni453np1: renamed from eth0
[  780.191382][T14765] netdevsim netdevsim711 eni711np1: renamed from eth1
[  780.767847][T14751] Could not find device with ifindex 2000 in netnsfd 11
[  780.768803][T14751] Could not find netns with fd: 2000
[  780.769287][T14751] Cannot link a netdevsim to itself
[  780.769710][T14751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).