[  485.097430] netdevsim netdevsim354 eni354np1: renamed from eth0
[  485.098601] netdevsim netdevsim689 eni689np1: renamed from eth1
[  485.189657] Could not find device with ifindex 2000 in netnsfd 11
[  485.189809] Could not find netns with fd: 2000
[  485.189923] Cannot link a netdevsim to itself
[  485.190059] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).