[  756.392494][T14564] netdevsim netdevsim343 eni343np1: renamed from eth0
[  756.409998][T14566] netdevsim netdevsim561 eni561np1: renamed from eth1
[  756.956878][T14552] Could not find device with ifindex 2000 in netnsfd 11
[  756.957422][T14552] Could not find netns with fd: 2000
[  756.957793][T14552] Cannot link a netdevsim to itself
[  756.958201][T14552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).