[ 4363.838510][T29209] gre: GRE over IPv4 demultiplexer driver
[ 4365.510876][T29232] ip_gre: GRE over IPv4 tunneling driver
[ 4387.014329][T29484] ping (29484) used greatest stack depth: 23680 bytes left
[ 4415.672041][T29804] ip6_gre: GRE over IPv6 tunneling driver
[ 4450.340852][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4455.332819][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4459.688149][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4464.741788][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!