[  482.992604] netdevsim netdevsim515 eni515np1: renamed from eth1
[  483.093979] netdevsim netdevsim324 eni324np1: renamed from eth0
[  483.449953] Could not find device with ifindex 2000 in netnsfd 11
[  483.450092] Could not find netns with fd: 2000
[  483.450163] Cannot link a netdevsim to itself
[  483.450248] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).