[ 4669.924374][T25822] gre: GRE over IPv4 demultiplexor driver
[ 4672.105001][T25845] ip_gre: GRE over IPv4 tunneling driver
[ 4736.895614][T26419] ip6_gre: GRE over IPv6 tunneling driver
[ 4765.161478][T26668] ping (26668) used greatest stack depth: 23472 bytes left
[ 4781.690605][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4787.962500][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4793.146516][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4799.355530][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!