[  813.328447][T14746] netdevsim netdevsim298 eni298np1: renamed from eth0
[  813.353388][T14749] netdevsim netdevsim645 eni645np1: renamed from eth1
[  813.981402][T14734] Could not find device with ifindex 2000 in netnsfd 11
[  813.982215][T14734] Could not find netns with fd: 2000
[  813.982602][T14734] Cannot link a netdevsim to itself
[  813.983050][T14734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).