[  979.665103][T12047] netdevsim netdevsim753 eni753np1: renamed from eth1
[  979.769981][T12110] netdevsim netdevsim431 eni431np1: renamed from eth0
[  981.437556][T12702] Could not find device with ifindex 2000 in netnsfd 11
[  981.439156][T12702] Could not find netns with fd: 2000
[  981.440348][T12702] Cannot link a netdevsim to itself
[  981.441762][T12702] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).