[  612.905584][ T9930] netdevsim netdevsim275 eni275np1: renamed from eth0
[  612.920211][ T9933] netdevsim netdevsim545 eni545np1: renamed from eth1
[  613.518229][ T9919] Could not find device with ifindex 2000 in netnsfd 11
[  613.518834][ T9919] Could not find netns with fd: 2000
[  613.519293][ T9919] Cannot link a netdevsim to itself
[  613.519834][ T9919] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).