[  472.092535] netdevsim netdevsim349 eni349np1: renamed from eth0
[  472.092991] netdevsim netdevsim578 eni578np1: renamed from eth1
[  472.164265] Could not find device with ifindex 2000 in netnsfd 11
[  472.164399] Could not find netns with fd: 2000
[  472.164499] Cannot link a netdevsim to itself
[  472.164611] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).