[  514.554148] netdevsim netdevsim652 eni652np1: renamed from eth1
[  514.651511] netdevsim netdevsim483 eni483np1: renamed from eth0
[  514.888239] Could not find device with ifindex 2000 in netnsfd 11
[  514.888478] Could not find netns with fd: 2000
[  514.888576] Cannot link a netdevsim to itself
[  514.888699] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).