[  755.527246][T14590] netdevsim netdevsim414 eni414np1: renamed from eth0
[  755.543155][T14592] netdevsim netdevsim648 eni648np1: renamed from eth1
[  756.109560][T14578] Could not find device with ifindex 2000 in netnsfd 11
[  756.110608][T14578] Could not find netns with fd: 2000
[  756.111092][T14578] Cannot link a netdevsim to itself
[  756.111520][T14578] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).