[  521.822242] netdevsim netdevsim726 eni726np1: renamed from eth1
[  521.917842] netdevsim netdevsim258 eni258np1: renamed from eth0
[  522.177137] Could not find device with ifindex 2000 in netnsfd 11
[  522.177318] Could not find netns with fd: 2000
[  522.177410] Cannot link a netdevsim to itself
[  522.177506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).