[  803.260700][T14799] netdevsim netdevsim511 eni511np1: renamed from eth0
[  803.274347][T14801] netdevsim netdevsim555 eni555np1: renamed from eth1
[  803.908535][T14787] Could not find device with ifindex 2000 in netnsfd 11
[  803.909690][T14787] Could not find netns with fd: 2000
[  803.910410][T14787] Cannot link a netdevsim to itself
[  803.911306][T14787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).