[  483.562244] netdevsim netdevsim380 eni380np1: renamed from eth0
[  483.663930] netdevsim netdevsim530 eni530np1: renamed from eth1
[  484.025629] Could not find device with ifindex 2000 in netnsfd 11
[  484.025924] Could not find netns with fd: 2000
[  484.026033] Cannot link a netdevsim to itself
[  484.026170] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).