[ 3413.295111][T28641] gre: GRE over IPv4 demultiplexor driver
[ 3414.458668][T28668] ip_gre: GRE over IPv4 tunneling driver
[ 3448.755071][T29241] ip6_gre: GRE over IPv6 tunneling driver
[ 3449.999579][T18734] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3460.111044][T26247] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3471.758460][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3475.406461][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3478.542450][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3482.254462][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3531.037809][T30623] ping (30623) used greatest stack depth: 22656 bytes left