[  844.442019][T15866] netdevsim netdevsim308 eni308np1: renamed from eth0
[  844.443375][T15863] netdevsim netdevsim571 eni571np1: renamed from eth1
[  845.094737][T15852] Could not find device with ifindex 2000 in netnsfd 11
[  845.095540][T15852] Could not find netns with fd: 2000
[  845.096111][T15852] Cannot link a netdevsim to itself
[  845.096747][T15852] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).