[  490.300971] netdevsim netdevsim697 eni697np1: renamed from eth1
[  490.397596] netdevsim netdevsim464 eni464np1: renamed from eth0
[  490.620838] Could not find device with ifindex 2000 in netnsfd 11
[  490.621145] Could not find netns with fd: 2000
[  490.621245] Cannot link a netdevsim to itself
[  490.621351] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).