[  483.974369] netdevsim netdevsim349 eni349np1: renamed from eth0
[  483.974684] netdevsim netdevsim606 eni606np1: renamed from eth1
[  484.056716] Could not find device with ifindex 2000 in netnsfd 11
[  484.056861] Could not find netns with fd: 2000
[  484.056971] Cannot link a netdevsim to itself
[  484.057092] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).