[ 4299.502408][T29258] gre: GRE over IPv4 demultiplexer driver
[ 4301.090215][T29281] ip_gre: GRE over IPv4 tunneling driver
[ 4348.720619][T29852] ip6_gre: GRE over IPv6 tunneling driver
[ 4369.464929][T30108] ping (30108) used greatest stack depth: 23488 bytes left
[ 4381.762001][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4386.561916][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4390.658913][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4395.393949][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!