[  490.471964] netdevsim netdevsim483 eni483np1: renamed from eth0
[  490.567655] netdevsim netdevsim756 eni756np1: renamed from eth1
[  490.818197] Could not find device with ifindex 2000 in netnsfd 11
[  490.818463] Could not find netns with fd: 2000
[  490.818558] Cannot link a netdevsim to itself
[  490.818645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).