[ 1052.120535][T12759] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1052.132327][T12757] netdevsim netdevsim660 eni660np1: renamed from eth1
[ 1053.963138][T12751] Could not find device with ifindex 2000 in netnsfd 11
[ 1053.964161][T12751] Could not find netns with fd: 2000
[ 1053.964925][T12751] Cannot link a netdevsim to itself
[ 1053.965749][T12751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).