[  457.379912] netdevsim netdevsim388 eni388np1: renamed from eth0
[  457.380391] netdevsim netdevsim597 eni597np1: renamed from eth1
[  457.481108] Could not find device with ifindex 2000 in netnsfd 11
[  457.481275] Could not find netns with fd: 2000
[  457.481382] Cannot link a netdevsim to itself
[  457.481501] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).