[  539.793263] netdevsim netdevsim425 eni425np1: renamed from eth0
[  539.889298] netdevsim netdevsim555 eni555np1: renamed from eth1
[  540.152094] Could not find device with ifindex 2000 in netnsfd 11
[  540.152330] Could not find netns with fd: 2000
[  540.152432] Cannot link a netdevsim to itself
[  540.152542] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).