[  515.604436] netdevsim netdevsim628 eni628np1: renamed from eth1
[  515.701734] netdevsim netdevsim435 eni435np1: renamed from eth0
[  515.938734] Could not find device with ifindex 2000 in netnsfd 11
[  515.938937] Could not find netns with fd: 2000
[  515.939022] Cannot link a netdevsim to itself
[  515.939134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).