[  456.619568] netdevsim netdevsim295 eni295np1: renamed from eth0
[  456.620130] netdevsim netdevsim608 eni608np1: renamed from eth1
[  456.705819] Could not find device with ifindex 2000 in netnsfd 11
[  456.705946] Could not find netns with fd: 2000
[  456.705990] Cannot link a netdevsim to itself
[  456.706039] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).