[  473.256503] netdevsim netdevsim445 eni445np1: renamed from eth0
[  473.256969] netdevsim netdevsim631 eni631np1: renamed from eth1
[  473.340384] Could not find device with ifindex 2000 in netnsfd 11
[  473.340462] Could not find netns with fd: 2000
[  473.340516] Cannot link a netdevsim to itself
[  473.340571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).