[ 4320.047280][T29211] gre: GRE over IPv4 demultiplexer driver
[ 4321.684082][T29234] ip_gre: GRE over IPv4 tunneling driver
[ 4369.980888][T29808] ip6_gre: GRE over IPv6 tunneling driver
[ 4375.711419][T29869] ping (29869) used greatest stack depth: 23520 bytes left
[ 4386.787981][T30007] ping (30007) used greatest stack depth: 23472 bytes left
[ 4398.605604][T30152] ping (30152) used greatest stack depth: 23440 bytes left
[ 4403.779341][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4408.835153][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4413.379160][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4418.372132][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!