[  475.944500] netdevsim netdevsim397 eni397np1: renamed from eth0
[  475.944777] netdevsim netdevsim596 eni596np1: renamed from eth1
[  476.043686] Could not find device with ifindex 2000 in netnsfd 11
[  476.043788] Could not find netns with fd: 2000
[  476.043830] Cannot link a netdevsim to itself
[  476.043882] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).