[  768.735545][T14746] netdevsim netdevsim450 eni450np1: renamed from eth0
[  768.753351][T14748] netdevsim netdevsim766 eni766np1: renamed from eth1
[  769.342252][T14734] Could not find device with ifindex 2000 in netnsfd 11
[  769.342958][T14734] Could not find netns with fd: 2000
[  769.343440][T14734] Cannot link a netdevsim to itself
[  769.343962][T14734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).