[  557.355196] netdevsim netdevsim629 eni629np1: renamed from eth1
[  557.452315] netdevsim netdevsim424 eni424np1: renamed from eth0
[  557.673245] Could not find device with ifindex 2000 in netnsfd 11
[  557.673409] Could not find netns with fd: 2000
[  557.673484] Cannot link a netdevsim to itself
[  557.673574] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).