[  483.976683] netdevsim netdevsim678 eni678np1: renamed from eth1
[  484.077211] netdevsim netdevsim466 eni466np1: renamed from eth0
[  484.458699] Could not find device with ifindex 2000 in netnsfd 11
[  484.458872] Could not find netns with fd: 2000
[  484.458966] Cannot link a netdevsim to itself
[  484.459093] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).