[  696.818558][T13034] netdevsim netdevsim260 eni260np1: renamed from eth0
[  696.832148][T13035] netdevsim netdevsim718 eni718np1: renamed from eth1
[  697.423232][T13021] Could not find device with ifindex 2000 in netnsfd 11
[  697.424041][T13021] Could not find netns with fd: 2000
[  697.424405][T13021] Cannot link a netdevsim to itself
[  697.427187][T13021] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).