[  472.688986] netdevsim netdevsim416 eni416np1: renamed from eth0
[  472.689574] netdevsim netdevsim561 eni561np1: renamed from eth1
[  472.766185] Could not find device with ifindex 2000 in netnsfd 11
[  472.766327] Could not find netns with fd: 2000
[  472.766433] Cannot link a netdevsim to itself
[  472.766550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).