[  716.239115][T13048] netdevsim netdevsim412 eni412np1: renamed from eth0
[  716.254252][T13050] netdevsim netdevsim680 eni680np1: renamed from eth1
[  716.979809][T13036] Could not find device with ifindex 2000 in netnsfd 11
[  716.988103][T13036] Could not find netns with fd: 2000
[  716.988695][T13036] Cannot link a netdevsim to itself
[  716.989525][T13036] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).