[ 1471.754343][ T1417] gre: GRE over IPv4 demultiplexer driver
[ 1472.244584][ T1440] ip_gre: GRE over IPv4 tunneling driver
[ 1488.521574][ T2011] ip6_gre: GRE over IPv6 tunneling driver
[ 1494.288806][ T2260] ping (2260) used greatest stack depth: 23248 bytes left
[ 1496.545380][T31037] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1496.548325][T31037] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1499.297306][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1501.346296][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1503.201310][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1505.313327][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!