[  490.899572] netdevsim netdevsim718 eni718np1: renamed from eth1
[  490.899796] netdevsim netdevsim463 eni463np1: renamed from eth0
[  490.987161] Could not find device with ifindex 2000 in netnsfd 11
[  490.987266] Could not find netns with fd: 2000
[  490.987316] Cannot link a netdevsim to itself
[  490.987377] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).