[  472.616738] netdevsim netdevsim316 eni316np1: renamed from eth0
[  472.617075] netdevsim netdevsim629 eni629np1: renamed from eth1
[  472.695984] Could not find device with ifindex 2000 in netnsfd 11
[  472.696068] Could not find netns with fd: 2000
[  472.696117] Cannot link a netdevsim to itself
[  472.696168] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).