[ 1239.733348][T11158] netdevsim netdevsim512 eni512np1: renamed from eth1
[ 1239.738270][T11157] netdevsim netdevsim352 eni352np1: renamed from eth0
[ 1243.143546][T11151] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.144277][T11151] Could not find netns with fd: 2000
[ 1243.144908][T11151] Cannot link a netdevsim to itself
[ 1243.151884][T11151] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).