[  484.164273] netdevsim netdevsim325 eni325np1: renamed from eth0
[  484.164595] netdevsim netdevsim685 eni685np1: renamed from eth1
[  484.255991] Could not find device with ifindex 2000 in netnsfd 11
[  484.256084] Could not find netns with fd: 2000
[  484.256125] Cannot link a netdevsim to itself
[  484.256179] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).