[  691.569570][T14464] netdevsim netdevsim277 eni277np1: renamed from eth0
[  691.576111][T14466] netdevsim netdevsim525 eni525np1: renamed from eth1
[  692.025612][T14452] Could not find device with ifindex 2000 in netnsfd 11
[  692.026043][T14452] Could not find netns with fd: 2000
[  692.026380][T14452] Cannot link a netdevsim to itself
[  692.026789][T14452] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).