[  811.664938][T14615] netdevsim netdevsim299 eni299np1: renamed from eth0
[  811.686181][T14617] netdevsim netdevsim712 eni712np1: renamed from eth1
[  812.314031][T14603] Could not find device with ifindex 2000 in netnsfd 11
[  812.314902][T14603] Could not find netns with fd: 2000
[  812.315304][T14603] Cannot link a netdevsim to itself
[  812.315761][T14603] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).