[  458.443854] netdevsim netdevsim302 eni302np1: renamed from eth0
[  458.444374] netdevsim netdevsim767 eni767np1: renamed from eth1
[  458.530379] Could not find device with ifindex 2000 in netnsfd 11
[  458.530472] Could not find netns with fd: 2000
[  458.530519] Cannot link a netdevsim to itself
[  458.530571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).