[  769.532233][T14578] netdevsim netdevsim274 eni274np1: renamed from eth0
[  769.546005][T14580] netdevsim netdevsim614 eni614np1: renamed from eth1
[  770.113916][T14566] Could not find device with ifindex 2000 in netnsfd 11
[  770.114549][T14566] Could not find netns with fd: 2000
[  770.115024][T14566] Cannot link a netdevsim to itself
[  770.115550][T14566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).