[  455.543355] netdevsim netdevsim455 eni455np1: renamed from eth0
[  455.543778] netdevsim netdevsim682 eni682np1: renamed from eth1
[  455.638261] Could not find device with ifindex 2000 in netnsfd 11
[  455.638379] Could not find netns with fd: 2000
[  455.638471] Cannot link a netdevsim to itself
[  455.638557] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).