[  473.878623] netdevsim netdevsim695 eni695np1: renamed from eth1
[  473.878833] netdevsim netdevsim453 eni453np1: renamed from eth0
[  473.968302] Could not find device with ifindex 2000 in netnsfd 11
[  473.968392] Could not find netns with fd: 2000
[  473.968436] Cannot link a netdevsim to itself
[  473.968483] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).