[  879.869636][T14643] netdevsim netdevsim274 eni274np1: renamed from eth0
[  879.898893][T14646] netdevsim netdevsim562 eni562np1: renamed from eth1
[  880.627482][T14631] Could not find device with ifindex 2000 in netnsfd 11
[  880.628414][T14631] Could not find netns with fd: 2000
[  880.628841][T14631] Cannot link a netdevsim to itself
[  880.629338][T14631] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).