[ 4376.563231][T21040] gre: GRE over IPv4 demultiplexer driver
[ 4378.201016][T21063] ip_gre: GRE over IPv4 tunneling driver
[ 4426.001188][T21635] ip6_gre: GRE over IPv6 tunneling driver
[ 4458.304758][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4463.168690][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4467.456688][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4472.320686][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4547.380566][T23120] ping (23120) used greatest stack depth: 23568 bytes left