[  768.652750][T14749] netdevsim netdevsim380 eni380np1: renamed from eth0
[  768.673942][T14751] netdevsim netdevsim671 eni671np1: renamed from eth1
[  769.251049][T14737] Could not find device with ifindex 2000 in netnsfd 11
[  769.251611][T14737] Could not find netns with fd: 2000
[  769.251976][T14737] Cannot link a netdevsim to itself
[  769.252400][T14737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).