[  540.645688] netdevsim netdevsim425 eni425np1: renamed from eth0
[  540.742604] netdevsim netdevsim686 eni686np1: renamed from eth1
[  540.988563] Could not find device with ifindex 2000 in netnsfd 11
[  540.988734] Could not find netns with fd: 2000
[  540.988820] Cannot link a netdevsim to itself
[  540.988923] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).