[  490.219982] netdevsim netdevsim701 eni701np1: renamed from eth1
[  490.320461] netdevsim netdevsim331 eni331np1: renamed from eth0
[  490.651166] Could not find device with ifindex 2000 in netnsfd 11
[  490.651305] Could not find netns with fd: 2000
[  490.651392] Cannot link a netdevsim to itself
[  490.651486] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).