[  897.594131][ T9688] netdevsim netdevsim446 eni446np1: renamed from eth0
[  897.714621][ T9684] netdevsim netdevsim538 eni538np1: renamed from eth1
[  899.632989][ T9679] Could not find device with ifindex 2000 in netnsfd 11
[  899.634009][ T9679] Could not find netns with fd: 2000
[  899.634701][ T9679] Cannot link a netdevsim to itself
[  899.635498][ T9679] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).