[  703.529786][T13060] netdevsim netdevsim313 eni313np1: renamed from eth0
[  703.545050][T13062] netdevsim netdevsim661 eni661np1: renamed from eth1
[  704.187558][T13048] Could not find device with ifindex 2000 in netnsfd 11
[  704.188399][T13048] Could not find netns with fd: 2000
[  704.188800][T13048] Cannot link a netdevsim to itself
[  704.189280][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).