[ 1894.517152][T13620] gre: GRE over IPv4 demultiplexer driver
[ 1895.094987][T13643] ip_gre: GRE over IPv4 tunneling driver
[ 1914.059660][T14214] ip6_gre: GRE over IPv6 tunneling driver
[ 1920.987447][T14464] ping (14464) used greatest stack depth: 23184 bytes left
[ 1926.530129][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1928.770102][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1930.882104][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1933.122149][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!