[  491.247110] netdevsim netdevsim395 eni395np1: renamed from eth0
[  491.247442] netdevsim netdevsim546 eni546np1: renamed from eth1
[  491.340341] Could not find device with ifindex 2000 in netnsfd 11
[  491.340437] Could not find netns with fd: 2000
[  491.340480] Cannot link a netdevsim to itself
[  491.340530] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).