[  513.149443] netdevsim netdevsim488 eni488np1: renamed from eth0
[  513.247148] netdevsim netdevsim704 eni704np1: renamed from eth1
[  513.456436] Could not find device with ifindex 2000 in netnsfd 11
[  513.456593] Could not find netns with fd: 2000
[  513.456680] Cannot link a netdevsim to itself
[  513.456780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).