[  483.399506] netdevsim netdevsim402 eni402np1: renamed from eth0
[  483.500850] netdevsim netdevsim760 eni760np1: renamed from eth1
[  483.818279] Could not find device with ifindex 2000 in netnsfd 11
[  483.818424] Could not find netns with fd: 2000
[  483.818505] Cannot link a netdevsim to itself
[  483.818637] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).