[  516.704121] netdevsim netdevsim435 eni435np1: renamed from eth0
[  516.800773] netdevsim netdevsim705 eni705np1: renamed from eth1
[  517.050897] Could not find device with ifindex 2000 in netnsfd 11
[  517.051159] Could not find netns with fd: 2000
[  517.051297] Cannot link a netdevsim to itself
[  517.051434] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).