[  484.374237] netdevsim netdevsim388 eni388np1: renamed from eth0
[  484.475707] netdevsim netdevsim608 eni608np1: renamed from eth1
[  484.876954] Could not find device with ifindex 2000 in netnsfd 11
[  484.877128] Could not find netns with fd: 2000
[  484.877211] Cannot link a netdevsim to itself
[  484.877307] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).