[  490.077744] netdevsim netdevsim375 eni375np1: renamed from eth0
[  490.175162] netdevsim netdevsim726 eni726np1: renamed from eth1
[  490.410837] Could not find device with ifindex 2000 in netnsfd 11
[  490.411249] Could not find netns with fd: 2000
[  490.411369] Cannot link a netdevsim to itself
[  490.411489] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).