[  472.799803] netdevsim netdevsim374 eni374np1: renamed from eth0
[  472.800487] netdevsim netdevsim705 eni705np1: renamed from eth1
[  472.871971] Could not find device with ifindex 2000 in netnsfd 11
[  472.872066] Could not find netns with fd: 2000
[  472.872120] Cannot link a netdevsim to itself
[  472.872184] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).