[ 4302.502970][T20533] gre: GRE over IPv4 demultiplexor driver
[ 4304.722981][T20556] ip_gre: GRE over IPv4 tunneling driver
[ 4370.003068][T21130] ip6_gre: GRE over IPv6 tunneling driver
[ 4413.899587][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4419.979527][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4425.163550][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4431.371536][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!