[  398.104998][ T5863] netdevsim netdevsim575 eni575np1: renamed from eth1
[  398.218298][ T5865] netdevsim netdevsim479 eni479np1: renamed from eth0
[  400.060970][ T6187] Could not find device with ifindex 2000 in netnsfd 11
[  400.061975][ T6187] Could not find netns with fd: 2000
[  400.062662][ T6187] Cannot link a netdevsim to itself
[  400.063410][ T6187] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).