[  871.547618][T15795] netdevsim netdevsim633 eni633np1: renamed from eth1
[  871.551110][T15794] netdevsim netdevsim491 eni491np1: renamed from eth0
[  872.342854][T15781] Could not find device with ifindex 2000 in netnsfd 11
[  872.343702][T15781] Could not find netns with fd: 2000
[  872.344167][T15781] Cannot link a netdevsim to itself
[  872.344745][T15781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).