[  473.660604] netdevsim netdevsim466 eni466np1: renamed from eth0
[  473.661312] netdevsim netdevsim629 eni629np1: renamed from eth1
[  473.737031] Could not find device with ifindex 2000 in netnsfd 11
[  473.737119] Could not find netns with fd: 2000
[  473.737166] Cannot link a netdevsim to itself
[  473.737218] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).