[  486.690345] netdevsim netdevsim414 eni414np1: renamed from eth0
[  486.786677] netdevsim netdevsim522 eni522np1: renamed from eth1
[  487.010704] Could not find device with ifindex 2000 in netnsfd 11
[  487.010918] Could not find netns with fd: 2000
[  487.011012] Cannot link a netdevsim to itself
[  487.011117] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).