[ 1231.592373][T11133] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1231.692367][T11134] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1234.938677][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.939643][T11126] Could not find netns with fd: 2000
[ 1234.940450][T11126] Cannot link a netdevsim to itself
[ 1234.941710][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).