[  835.471811][T14805] netdevsim netdevsim430 eni430np1: renamed from eth0
[  835.518577][T14808] netdevsim netdevsim740 eni740np1: renamed from eth1
[  836.199322][T14793] Could not find device with ifindex 2000 in netnsfd 11
[  836.200308][T14793] Could not find netns with fd: 2000
[  836.200825][T14793] Cannot link a netdevsim to itself
[  836.201394][T14793] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).