[  474.609350] netdevsim netdevsim412 eni412np1: renamed from eth0
[  474.609806] netdevsim netdevsim697 eni697np1: renamed from eth1
[  474.693775] Could not find device with ifindex 2000 in netnsfd 11
[  474.693904] Could not find netns with fd: 2000
[  474.694002] Cannot link a netdevsim to itself
[  474.694112] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).