[ 4339.490308][T28689] gre: GRE over IPv4 demultiplexer driver
[ 4341.178637][T28712] ip_gre: GRE over IPv4 tunneling driver
[ 4390.956998][T29284] ip6_gre: GRE over IPv6 tunneling driver
[ 4415.922047][T29584] ping (29584) used greatest stack depth: 22944 bytes left
[ 4425.564548][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4437.084516][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4443.549454][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!