[  458.520707] netdevsim netdevsim350 eni350np1: renamed from eth0
[  458.521091] netdevsim netdevsim650 eni650np1: renamed from eth1
[  458.609172] Could not find device with ifindex 2000 in netnsfd 11
[  458.609321] Could not find netns with fd: 2000
[  458.609429] Cannot link a netdevsim to itself
[  458.609545] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).