[ 1229.388135][T11139] netdevsim netdevsim756 eni756np1: renamed from eth1
[ 1229.411860][T11141] netdevsim netdevsim278 eni278np1: renamed from eth0
[ 1232.669646][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.670336][T11133] Could not find netns with fd: 2000
[ 1232.670859][T11133] Cannot link a netdevsim to itself
[ 1232.671512][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).