[  768.807979][T14444] netdevsim netdevsim308 eni308np1: renamed from eth0
[  768.829895][T14446] netdevsim netdevsim699 eni699np1: renamed from eth1
[  769.634950][T14432] Could not find device with ifindex 2000 in netnsfd 11
[  769.635935][T14432] Could not find netns with fd: 2000
[  769.636546][T14432] Cannot link a netdevsim to itself
[  769.637093][T14432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).