[  769.275160][T14747] netdevsim netdevsim413 eni413np1: renamed from eth0
[  769.302610][T14750] netdevsim netdevsim667 eni667np1: renamed from eth1
[  769.983024][T14735] Could not find device with ifindex 2000 in netnsfd 11
[  769.984020][T14735] Could not find netns with fd: 2000
[  769.984787][T14735] Cannot link a netdevsim to itself
[  769.985464][T14735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).