[  997.923346][ T9692] netdevsim netdevsim378 eni378np1: renamed from eth0
[  998.057258][ T9689] netdevsim netdevsim594 eni594np1: renamed from eth1
[ 1000.654700][ T9684] Could not find device with ifindex 2000 in netnsfd 11
[ 1000.656012][ T9684] Could not find netns with fd: 2000
[ 1000.656989][ T9684] Cannot link a netdevsim to itself
[ 1000.658385][ T9684] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).