[ 4497.464663][T29148] gre: GRE over IPv4 demultiplexer driver
[ 4499.149978][T29171] ip_gre: GRE over IPv4 tunneling driver
[ 4548.766872][T29744] ip6_gre: GRE over IPv6 tunneling driver
[ 4582.460046][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4587.387943][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4591.610966][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4596.538975][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!