[ 1238.737587][T11133] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1238.745049][T11134] netdevsim netdevsim696 eni696np1: renamed from eth1
[ 1242.125476][T11127] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.126214][T11127] Could not find netns with fd: 2000
[ 1242.126785][T11127] Cannot link a netdevsim to itself
[ 1242.127453][T11127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).