[ 1052.736158][T12756] netdevsim netdevsim259 eni259np1: renamed from eth0
[ 1052.739110][T12757] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1054.689543][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1054.690652][T12748] Could not find netns with fd: 2000
[ 1054.691331][T12748] Cannot link a netdevsim to itself
[ 1054.692230][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).