[  486.562201] netdevsim netdevsim308 eni308np1: renamed from eth0
[  486.663838] netdevsim netdevsim679 eni679np1: renamed from eth1
[  487.051491] Could not find device with ifindex 2000 in netnsfd 11
[  487.051640] Could not find netns with fd: 2000
[  487.051741] Cannot link a netdevsim to itself
[  487.051840] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).