[ 1253.030218][T12775] netdevsim netdevsim468 eni468np1: renamed from eth0
[ 1253.138667][T12773] netdevsim netdevsim748 eni748np1: renamed from eth1
[ 1255.646175][T12767] Could not find device with ifindex 2000 in netnsfd 11
[ 1255.647622][T12767] Could not find netns with fd: 2000
[ 1255.648532][T12767] Cannot link a netdevsim to itself
[ 1255.657514][T12767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).