[ 1250.175314][T12784] netdevsim netdevsim703 eni703np1: renamed from eth1
[ 1250.289662][T12786] netdevsim netdevsim268 eni268np1: renamed from eth0
[ 1252.997453][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1252.999150][T12773] Could not find netns with fd: 2000
[ 1253.000093][T12773] Cannot link a netdevsim to itself
[ 1253.001250][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).