[  484.520770] netdevsim netdevsim326 eni326np1: renamed from eth0
[  484.621703] netdevsim netdevsim550 eni550np1: renamed from eth1
[  484.998375] Could not find device with ifindex 2000 in netnsfd 11
[  484.998519] Could not find netns with fd: 2000
[  484.998601] Cannot link a netdevsim to itself
[  484.998716] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).