[  459.811630] netdevsim netdevsim350 eni350np1: renamed from eth0
[  459.812966] netdevsim netdevsim601 eni601np1: renamed from eth1
[  459.924350] Could not find device with ifindex 2000 in netnsfd 11
[  459.924488] Could not find netns with fd: 2000
[  459.924545] Cannot link a netdevsim to itself
[  459.924622] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).