[ 1034.117088][T12130] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1034.233320][T12128] netdevsim netdevsim715 eni715np1: renamed from eth1
[ 1036.092789][T12550] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.100654][T12550] Could not find netns with fd: 2000
[ 1036.101621][T12550] Cannot link a netdevsim to itself
[ 1036.102456][T12550] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).