[  473.775577] netdevsim netdevsim461 eni461np1: renamed from eth0
[  473.775815] netdevsim netdevsim660 eni660np1: renamed from eth1
[  473.848362] Could not find device with ifindex 2000 in netnsfd 11
[  473.848457] Could not find netns with fd: 2000
[  473.848500] Cannot link a netdevsim to itself
[  473.848550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).