[  521.886202] netdevsim netdevsim676 eni676np1: renamed from eth1
[  521.982478] netdevsim netdevsim401 eni401np1: renamed from eth0
[  522.216909] Could not find device with ifindex 2000 in netnsfd 11
[  522.217101] Could not find netns with fd: 2000
[  522.217215] Cannot link a netdevsim to itself
[  522.217365] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).