[  456.686619] netdevsim netdevsim295 eni295np1: renamed from eth0
[  456.687134] netdevsim netdevsim725 eni725np1: renamed from eth1
[  456.787738] Could not find device with ifindex 2000 in netnsfd 11
[  456.787910] Could not find netns with fd: 2000
[  456.788018] Cannot link a netdevsim to itself
[  456.788139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).