[  473.035536] netdevsim netdevsim287 eni287np1: renamed from eth0
[  473.035893] netdevsim netdevsim691 eni691np1: renamed from eth1
[  473.111456] Could not find device with ifindex 2000 in netnsfd 11
[  473.111572] Could not find netns with fd: 2000
[  473.111659] Cannot link a netdevsim to itself
[  473.111763] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).