[  845.335115][T15803] netdevsim netdevsim349 eni349np1: renamed from eth0
[  845.349761][T15802] netdevsim netdevsim638 eni638np1: renamed from eth1
[  845.979179][T15790] Could not find device with ifindex 2000 in netnsfd 11
[  845.979985][T15790] Could not find netns with fd: 2000
[  845.980551][T15790] Cannot link a netdevsim to itself
[  845.981598][T15790] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).