[  524.597627] netdevsim netdevsim687 eni687np1: renamed from eth1
[  524.695578] netdevsim netdevsim389 eni389np1: renamed from eth0
[  524.928163] Could not find device with ifindex 2000 in netnsfd 11
[  524.928366] Could not find netns with fd: 2000
[  524.928460] Cannot link a netdevsim to itself
[  524.928586] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).