[  718.715688][T13081] netdevsim netdevsim280 eni280np1: renamed from eth0
[  718.736551][T13083] netdevsim netdevsim751 eni751np1: renamed from eth1
[  719.420399][T13068] Could not find device with ifindex 2000 in netnsfd 11
[  719.421336][T13068] Could not find netns with fd: 2000
[  719.421771][T13068] Cannot link a netdevsim to itself
[  719.422263][T13068] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).