[ 4288.263452][T20335] gre: GRE over IPv4 demultiplexor driver
[ 4290.349341][T20358] ip_gre: GRE over IPv4 tunneling driver
[ 4354.429267][T20931] ip6_gre: GRE over IPv6 tunneling driver
[ 4376.667880][T21132] ping (21132) used greatest stack depth: 22304 bytes left
[ 4398.448265][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4404.464195][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4409.520186][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4415.536175][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!