[  754.591347][T14566] netdevsim netdevsim416 eni416np1: renamed from eth0
[  754.615313][T14569] netdevsim netdevsim669 eni669np1: renamed from eth1
[  755.164832][T14554] Could not find device with ifindex 2000 in netnsfd 11
[  755.165419][T14554] Could not find netns with fd: 2000
[  755.165935][T14554] Cannot link a netdevsim to itself
[  755.166339][T14554] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).