[  424.943022] netdevsim netdevsim299 eni299np1: renamed from eth0
[  424.943350] netdevsim netdevsim535 eni535np1: renamed from eth1
[  425.025941] Could not find device with ifindex 2000 in netnsfd 11
[  425.026076] Could not find netns with fd: 2000
[  425.026180] Cannot link a netdevsim to itself
[  425.026295] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).