[  446.533084] netdevsim netdevsim354 eni354np1: renamed from eth0
[  446.628686] netdevsim netdevsim615 eni615np1: renamed from eth1
[  446.831962] Could not find device with ifindex 2000 in netnsfd 11
[  446.832306] Could not find netns with fd: 2000
[  446.832437] Cannot link a netdevsim to itself
[  446.832562] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).