[ 1043.493749][T12134] netdevsim netdevsim473 eni473np1: renamed from eth0
[ 1043.600844][T12068] netdevsim netdevsim575 eni575np1: renamed from eth1
[ 1045.323835][T12455] Could not find device with ifindex 2000 in netnsfd 11
[ 1045.325007][T12455] Could not find netns with fd: 2000
[ 1045.325762][T12455] Cannot link a netdevsim to itself
[ 1045.326542][T12455] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).