[  811.850204][T14627] netdevsim netdevsim281 eni281np1: renamed from eth0
[  811.869358][T14629] netdevsim netdevsim699 eni699np1: renamed from eth1
[  812.447353][T14615] Could not find device with ifindex 2000 in netnsfd 11
[  812.448061][T14615] Could not find netns with fd: 2000
[  812.448536][T14615] Cannot link a netdevsim to itself
[  812.448969][T14615] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).