[  767.505046][T14745] netdevsim netdevsim299 eni299np1: renamed from eth0
[  767.533244][T14747] netdevsim netdevsim751 eni751np1: renamed from eth1
[  768.116227][T14733] Could not find device with ifindex 2000 in netnsfd 11
[  768.116800][T14733] Could not find netns with fd: 2000
[  768.117205][T14733] Cannot link a netdevsim to itself
[  768.117676][T14733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).