[  882.092557][ T9664] netdevsim netdevsim344 eni344np1: renamed from eth0
[  882.211420][ T9614] netdevsim netdevsim712 eni712np1: renamed from eth1
[  884.217005][ T9660] Could not find device with ifindex 2000 in netnsfd 11
[  884.218596][ T9660] Could not find netns with fd: 2000
[  884.219718][ T9660] Cannot link a netdevsim to itself
[  884.221012][ T9660] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).