[  834.684384][T15852] netdevsim netdevsim496 eni496np1: renamed from eth0
[  834.716939][T15851] netdevsim netdevsim569 eni569np1: renamed from eth1
[  835.338660][T15840] Could not find device with ifindex 2000 in netnsfd 11
[  835.339397][T15840] Could not find netns with fd: 2000
[  835.339960][T15840] Cannot link a netdevsim to itself
[  835.340560][T15840] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).