[  474.632680] netdevsim netdevsim486 eni486np1: renamed from eth0
[  474.633569] netdevsim netdevsim546 eni546np1: renamed from eth1
[  474.716958] Could not find device with ifindex 2000 in netnsfd 11
[  474.717054] Could not find netns with fd: 2000
[  474.717099] Cannot link a netdevsim to itself
[  474.717151] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).