[  769.731201][T14583] netdevsim netdevsim305 eni305np1: renamed from eth0
[  769.749093][T14585] netdevsim netdevsim686 eni686np1: renamed from eth1
[  770.311863][T14571] Could not find device with ifindex 2000 in netnsfd 11
[  770.322316][T14571] Could not find netns with fd: 2000
[  770.322839][T14571] Cannot link a netdevsim to itself
[  770.323391][T14571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).