[  473.372066] netdevsim netdevsim496 eni496np1: renamed from eth0
[  473.372503] netdevsim netdevsim766 eni766np1: renamed from eth1
[  473.460420] Could not find device with ifindex 2000 in netnsfd 11
[  473.460504] Could not find netns with fd: 2000
[  473.460544] Cannot link a netdevsim to itself
[  473.460592] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).