[  483.931491] netdevsim netdevsim463 eni463np1: renamed from eth0
[  483.934217] netdevsim netdevsim653 eni653np1: renamed from eth1
[  484.017906] Could not find device with ifindex 2000 in netnsfd 11
[  484.017986] Could not find netns with fd: 2000
[  484.018076] Cannot link a netdevsim to itself
[  484.018128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).