[ 1175.249476][T12593] netdevsim netdevsim449 eni449np1: renamed from eth0
[ 1175.377568][T12591] netdevsim netdevsim656 eni656np1: renamed from eth1
[ 1177.941486][T12585] Could not find device with ifindex 2000 in netnsfd 11
[ 1177.942617][T12585] Could not find netns with fd: 2000
[ 1177.943479][T12585] Cannot link a netdevsim to itself
[ 1177.944569][T12585] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).