[  484.492737] netdevsim netdevsim492 eni492np1: renamed from eth0
[  484.593364] netdevsim netdevsim535 eni535np1: renamed from eth1
[  484.941230] Could not find device with ifindex 2000 in netnsfd 11
[  484.941369] Could not find netns with fd: 2000
[  484.941444] Cannot link a netdevsim to itself
[  484.941542] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).