[ 1275.427495][T12780] netdevsim netdevsim435 eni435np1: renamed from eth0
[ 1275.487461][T12778] netdevsim netdevsim739 eni739np1: renamed from eth1
[ 1278.009994][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1278.019490][T12773] Could not find netns with fd: 2000
[ 1278.020597][T12773] Cannot link a netdevsim to itself
[ 1278.021747][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).