[  513.565747] netdevsim netdevsim351 eni351np1: renamed from eth0
[  513.663835] netdevsim netdevsim553 eni553np1: renamed from eth1
[  513.850259] Could not find device with ifindex 2000 in netnsfd 11
[  513.850431] Could not find netns with fd: 2000
[  513.850509] Cannot link a netdevsim to itself
[  513.850623] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).