[ 4434.502446][T22434] gre: GRE over IPv4 demultiplexor driver
[ 4436.587110][T22457] ip_gre: GRE over IPv4 tunneling driver
[ 4497.550598][T23037] ip6_gre: GRE over IPv6 tunneling driver
[ 4540.288640][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4546.240577][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4551.296551][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4557.376558][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!