[ 3934.114751][T21300] gre: GRE over IPv4 demultiplexor driver
[ 3936.140757][T21323] ip_gre: GRE over IPv4 tunneling driver
[ 3998.563166][T21900] ip6_gre: GRE over IPv6 tunneling driver
[ 4041.202436][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4047.090347][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4052.211345][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4058.035371][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!