[  666.126147][T14430] netdevsim netdevsim435 eni435np1: renamed from eth0
[  666.131754][T14432] netdevsim netdevsim578 eni578np1: renamed from eth1
[  666.481512][T14418] Could not find device with ifindex 2000 in netnsfd 11
[  666.481776][T14418] Could not find netns with fd: 2000
[  666.481985][T14418] Cannot link a netdevsim to itself
[  666.482236][T14418] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).