[  484.212174] netdevsim netdevsim652 eni652np1: renamed from eth1
[  484.313286] netdevsim netdevsim380 eni380np1: renamed from eth0
[  484.648792] Could not find device with ifindex 2000 in netnsfd 11
[  484.648971] Could not find netns with fd: 2000
[  484.649075] Cannot link a netdevsim to itself
[  484.649211] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).