[  473.060024] netdevsim netdevsim432 eni432np1: renamed from eth0
[  473.060708] netdevsim netdevsim550 eni550np1: renamed from eth1
[  473.142026] Could not find device with ifindex 2000 in netnsfd 11
[  473.142115] Could not find netns with fd: 2000
[  473.142165] Cannot link a netdevsim to itself
[  473.142218] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).