[ 1228.705039][T11136] netdevsim netdevsim291 eni291np1: renamed from eth0
[ 1228.816479][T11135] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1232.235400][T11128] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.236167][T11128] Could not find netns with fd: 2000
[ 1232.236801][T11128] Cannot link a netdevsim to itself
[ 1232.237469][T11128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).