[  525.811635] netdevsim netdevsim569 eni569np1: renamed from eth1
[  525.908364] netdevsim netdevsim281 eni281np1: renamed from eth0
[  526.155520] Could not find device with ifindex 2000 in netnsfd 11
[  526.155669] Could not find netns with fd: 2000
[  526.155753] Cannot link a netdevsim to itself
[  526.155858] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).