[  483.555867] netdevsim netdevsim480 eni480np1: renamed from eth0
[  483.556200] netdevsim netdevsim672 eni672np1: renamed from eth1
[  483.639344] Could not find device with ifindex 2000 in netnsfd 11
[  483.639437] Could not find netns with fd: 2000
[  483.639480] Cannot link a netdevsim to itself
[  483.639530] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).