[ 1236.231096][T12912] netdevsim netdevsim352 eni352np1: renamed from eth0
[ 1236.342826][T12916] netdevsim netdevsim525 eni525np1: renamed from eth1
[ 1239.026679][T12906] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.028414][T12906] Could not find netns with fd: 2000
[ 1239.030185][T12906] Cannot link a netdevsim to itself
[ 1239.031397][T12906] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).