[ 1226.733518][T11158] netdevsim netdevsim637 eni637np1: renamed from eth1
[ 1226.763807][T11157] netdevsim netdevsim462 eni462np1: renamed from eth0
[ 1230.020932][T11151] Could not find device with ifindex 2000 in netnsfd 11
[ 1230.021653][T11151] Could not find netns with fd: 2000
[ 1230.022239][T11151] Cannot link a netdevsim to itself
[ 1230.023790][T11151] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).