[ 4445.433744][T29239] gre: GRE over IPv4 demultiplexer driver
[ 4447.811143][T29262] ip_gre: GRE over IPv4 tunneling driver
[ 4506.121270][T29833] ip6_gre: GRE over IPv6 tunneling driver
[ 4540.383690][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4545.310584][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4549.598585][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4554.590582][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4641.160709][T31320] ping (31320) used greatest stack depth: 23536 bytes left