[  476.599156] netdevsim netdevsim409 eni409np1: renamed from eth0
[  476.599370] netdevsim netdevsim662 eni662np1: renamed from eth1
[  476.688099] Could not find device with ifindex 2000 in netnsfd 11
[  476.688233] Could not find netns with fd: 2000
[  476.688340] Cannot link a netdevsim to itself
[  476.688451] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).