[  523.285106] netdevsim netdevsim594 eni594np1: renamed from eth1
[  523.381833] netdevsim netdevsim374 eni374np1: renamed from eth0
[  523.633757] Could not find device with ifindex 2000 in netnsfd 11
[  523.633937] Could not find netns with fd: 2000
[  523.634028] Cannot link a netdevsim to itself
[  523.634145] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).