[  486.525519] netdevsim netdevsim608 eni608np1: renamed from eth1
[  486.620884] netdevsim netdevsim465 eni465np1: renamed from eth0
[  486.862579] Could not find device with ifindex 2000 in netnsfd 11
[  486.862889] Could not find netns with fd: 2000
[  486.862989] Cannot link a netdevsim to itself
[  486.863099] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).