[ 1028.417077][T12755] netdevsim netdevsim627 eni627np1: renamed from eth1
[ 1028.519323][T12757] netdevsim netdevsim496 eni496np1: renamed from eth0
[ 1030.333807][T12749] Could not find device with ifindex 2000 in netnsfd 11
[ 1030.334872][T12749] Could not find netns with fd: 2000
[ 1030.335706][T12749] Cannot link a netdevsim to itself
[ 1030.336778][T12749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).