[  474.340325] netdevsim netdevsim486 eni486np1: renamed from eth0
[  474.340938] netdevsim netdevsim739 eni739np1: renamed from eth1
[  474.424463] Could not find device with ifindex 2000 in netnsfd 11
[  474.424601] Could not find netns with fd: 2000
[  474.424702] Cannot link a netdevsim to itself
[  474.424814] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).