[ 1332.143945][T13023] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1332.292834][T13024] netdevsim netdevsim387 eni387np1: renamed from eth0
[ 1335.020490][T13011] Could not find device with ifindex 2000 in netnsfd 11
[ 1335.022597][T13011] Could not find netns with fd: 2000
[ 1335.023513][T13011] Cannot link a netdevsim to itself
[ 1335.036575][T13011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).