[ 1298.933683][T12854] netdevsim netdevsim297 eni297np1: renamed from eth0
[ 1298.948199][T12853] netdevsim netdevsim673 eni673np1: renamed from eth1
[ 1301.619414][T12844] Could not find device with ifindex 2000 in netnsfd 11
[ 1301.621119][T12844] Could not find netns with fd: 2000
[ 1301.622407][T12844] Cannot link a netdevsim to itself
[ 1301.624079][T12844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).