[  773.296227][T14629] netdevsim netdevsim336 eni336np1: renamed from eth0
[  773.312180][T14631] netdevsim netdevsim680 eni680np1: renamed from eth1
[  773.935702][T14617] Could not find device with ifindex 2000 in netnsfd 11
[  773.936319][T14617] Could not find netns with fd: 2000
[  773.936681][T14617] Cannot link a netdevsim to itself
[  773.937099][T14617] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).