[ 1229.964489][T12779] netdevsim netdevsim412 eni412np1: renamed from eth0
[ 1230.101309][T12777] netdevsim netdevsim750 eni750np1: renamed from eth1
[ 1232.528532][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.529869][T12771] Could not find netns with fd: 2000
[ 1232.530989][T12771] Cannot link a netdevsim to itself
[ 1232.532321][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).