[  847.462936][T14782] netdevsim netdevsim403 eni403np1: renamed from eth0
[  847.499772][T14785] netdevsim netdevsim740 eni740np1: renamed from eth1
[  848.333603][T14770] Could not find device with ifindex 2000 in netnsfd 11
[  848.334615][T14770] Could not find netns with fd: 2000
[  848.335146][T14770] Cannot link a netdevsim to itself
[  848.335754][T14770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).