[ 1234.728086][T11135] netdevsim netdevsim278 eni278np1: renamed from eth0
[ 1234.744103][T11133] netdevsim netdevsim539 eni539np1: renamed from eth1
[ 1238.036811][T11127] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.037520][T11127] Could not find netns with fd: 2000
[ 1238.038061][T11127] Cannot link a netdevsim to itself
[ 1238.038813][T11127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).